Regulation No 58 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of: I. Rear Underrun Protection Devices (RUPDs), II. Vehicles with regard to the Installation of an RUPD of an approved type, III. Vehicles with regard to their Rear Underrun Protection (RUP)
Date: 2008-08-30
Institutions: United Nations Economic Commission for Europe
Subjects: approval, safety device, technical regulations, technical standard, transport safety, vehicle

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ACTS ADOPTED BY BODIES CREATED BY INTERNATIONAL AGREEMENTS

Only the original UN/ECE texts have legal effect under international public law. The status and date of entry into force of this Regulation
should be checked in the latest version of the UN/ECE status document TRANS/WP.29/343, available at:
http://www.unece.org/trans/main/wp29/wp29wgs/wp29gen/wp29fdocstts.html

Regulation No 58 of the Economic Commission for Europe of the United Nations (UN/ECE) —
Uniform provisions concerning the approval of:

I. Rear Underrun Protection Devices (RUPDs)

II. Vehicles with regard to the Installation of an RUPD of an approved type

III. Vehicles with regard to their Rear Underrun Protection (RUP)

Incorporating all valid text up to:

Revision 2

02 series of amendments — Date of entry into force: 11 July 2008

1.

1.1.

1.1.1.

SCOPE

This Regulation applies to:

PART I: the RUPDs which are intended to be fitted to vehicles of categories N2, N3, O3 and
O4 (1);

1.1.2.

PART II: the installation on vehicles of categories N2, N3, O3 and O4 (1) of RUPDs which have
been type approved to Part I of this Regulation;

1.1.3.

PART III: vehicles of categories N2, N3, O3 and O4 (1) equipped with an RUPD which has not
been separately approved according to Part I of this Regulation or so designed and or equipped
that its component parts can be regarded as totally or partially fulfilling the function of the
RUPD.

1.2.

This Regulation does not apply to:

1.2.1.

tractive units for articulated vehicles;

1.2.2.

trailers specially designed and constructed for the carriage of very long loads of indivisible length,
such as timber, steel bars, etc.;

1.2.3.

vehicles where any RUPD is incompatible with their use.

2.

PURPOSE

The purpose of this Regulation is to offer effective protection against under-running of vehicles
mentioned in paragraph 1 of this Regulation in the event of rear collision with vehicles of
category M1 and N1 (1).

(1) As defined in Annex 7 to the Consolidated Resolution on the Construction of Vehicles (R.E.3), (document TRANS/

WP.29/78/Rev.1/Amend.2 as last amended by Amend.4).

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3.

3.1.

3.1.1.

3.1.2.

DEFINITIONS COMMON TO PARTS I, II AND III

For the purpose of this Regulation:

‘unladen mass’ means the mass of the vehicle in running order, unoccupied and unladen but
complete with fuel, coolant, lubricant, tools and a spare wheel (if provided as standard equipment
by the vehicle manufacturer);

‘maximum mass’ means the mass stated by the vehicle manufacturer to be technically permissible
(this mass may be higher than the ‘permissible maximum mass’
laid down by the national
administration);

3.1.3.

an ‘RUPD’ normally consists of a cross-member and links to the chassis side members or other
structural members of the vehicle.

4.

4.1.

4.1.1.

4.1.2.

5.

5.1.

PART I: APPROVAL OF RUPDs

DEFINITIONS

For the purpose of Part I of this Regulation:

‘approval of an RUPD’ means the approval of such a type of RUPD with respect to the
requirements laid down in paragraph 7 below;

‘type of RUPD’ means RUPDs which do not differ with respect to the essential characteristics
such as shape, dimensions, attachment, materials and the markings cited in paragraph 5.2.2
below.

APPLICATION FOR APPROVAL

The application for approval of an RUPD shall be submitted by the manufacturer of the RUPD or
by his duly accredited representative.

5.2.

For each type of RUPD the application must be accompanied by:

5.2.1.

documentation in triplicate giving a description of the technical characteristics of the RUPD: its
dimensions, lines and constituent materials and the method of its installation;

5.2.2.

a sample of the type of RUPD: the sample must be clearly and indelibly marked on all its main
components with the applicant's trade name or mark and the type designation.

5.3.

5.4.

6.

6.1.

6.2.

An RUPD representative of the type to be approved shall be submitted to the technical service
responsible for conducting the approval tests.

The competent authority shall verify the existence of satisfactory arrangements for ensuring
effective control of the conformity of production before type approval is granted.

APPROVAL

If the RUPD submitted for approval pursuant to this Regulation meets the requirements of
paragraph 7 below, approval of that type of RUPD shall be granted.

An approval number shall be assigned to each type approved. Its first two digits (at present 02
corresponding to the 02 series of amendments) shall indicate the series of amendments incor­
porating the most recent major technical amendments made to the Regulation at the time of
issue of the approval. The same Contracting Party may not assign the same number to another
type of rear underrun protective device.

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6.3.

6.4.

Notice of approval, or of extension or of refusal of approval of a type of RUPD pursuant to this
Regulation shall be communicated to the Parties to the 1958 Agreement which apply this
Regulation, by means of a form conforming to the model in Annex 1 to this Regulation.

There shall be affixed, conspicuously and in a readily accessible place specified on the approval
form, to every RUPD conforming to a type of RUPD approved under this Regulation an inter­
national approval mark consisting of:

6.4.1.

a circle surrounding the letter ‘E’ followed by the distinguishing number of the country which has
granted approval (2);

6.4.2.

the number of this Regulation, followed by the letter ‘R’, a dash and the approval number to the
right of the circle prescribed in paragraph 6.4.1.

6.5.

The approval mark shall be clearly legible and be indelible.

6.6.

Annex 4 to this Regulation gives examples of arrangements of approval marks.

7.

7.1.

7.2.

7.3.

REQUIREMENTS

The section height of the cross-member must not be less than 100 mm. The lateral extremities of
the cross-member must not bend to the rear or have a sharp outer edge; this condition is fulfilled
when the lateral extremities of the cross-member are rounded on the outside and have a radius of
curvature of not less than 2,5 mm.

The RUPD may be so designed to have several positions at the rear of the vehicle. In this event,
there must be a guaranteed method of securing it in the service position so that any uninten­
tional change of position is precluded. The force applied by the operator to vary the position of
the device must not exceed 40 daN.

The RUPD must offer adequate resistance to forces applied parallel to the longitudinal axis of the
vehicle. (This shall be demonstrated in accordance with the test procedure and test conditions
specified in Annex 5 to this Regulation.) The maximum horizontal deflection of the RUPD
observed during and after the application of the test forces specified in Annex 5 shall be
recorded on the type approval communication (Annex 1, item 8).

7.4.

For vehicles fitted with a platform lift at the rear, the underrun device may be interrupted for the
purposes of the mechanism. In this case, the following special requirements apply:

7.4.1.

the maximum lateral clearance measured between the elements of the underrun device and the
elements of the platform lift, which move through the interruption when the lift is operated and
which make the interruption necessary, may amount to no more than 2,5 cm;

(2) 1 for Germany, 2 for France, 3 for Italy, 4 for the Netherlands, 5 for Sweden, 6 for Belgium, 7 for Hungary, 8 for the
Czech Republic, 9 for Spain, 10 for Serbia, 11 for the United Kingdom, 12 for Austria, 13 for Luxembourg, 14 for
Switzerland, 15 (vacant), 16 for Norway, 17 for Finland, 18 for Denmark, 19 for Romania, 20 for Poland, 21 for
Portugal, 22 for the Russian Federation, 23 for Greece, 24 for Ireland, 25 for Croatia, 26 for Slovenia, 27 for Slovakia,
28 for Belarus, 29 for Estonia, 30 (vacant), 31 for Bosnia and Herzegovina, 32 for Latvia, 33 (vacant), 34 for Bulgaria,
35 (vacant), 36 for Lithuania, 37 for Turkey, 38 (vacant), 39 for Azerbaijan, 40 for The former Yugoslav Republic of
Macedonia, 41 (vacant), 42 for the European Community (Approvals are granted by its Member States using their
respective ECE symbol), 43 for Japan, 44 (vacant), 45 for Australia, 46 for Ukraine, 47 for South Africa, 48 for New
Zealand, 49 for Cyprus, 50 for Malta, 51 for the Republic of Korea, 52 for Malaysia, 53 for Thailand, 54 and 55
vacant and 56 for Montenegro. Subsequent numbers shall be assigned to other countries in the chronological order in
which they ratify or accede to the Agreement Concerning the Adoption of Uniform Technical Prescriptions for
Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and the Conditions
for Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions, and the numbers thus assigned
shall be communicated by the Secretary-General of the United Nations to the Contracting Parties to the Agreement.

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7.4.2.

the lift
the individual elements of
mechanism, where provided, must have an effective surface area, in each case, of at least 350
cm2.

including those outboard of

the underrun protection,

However,
in the case of vehicles having a width of less than 2 000 mm and where it is
impossible to achieve the above requirement, the effective surface may be reduced on the
condition that the resistance criteria are met.

8.

CONFORMITY OF PRODUCTION

The conformity of production procedures shall comply with those set out in the Agreement,
Appendix 2 (E/ECE/324-E/ECE/TRANS/505/Rev.2), with the following requirements:

8.1.

8.2.

9.

9.1.

9.2.

10.

10.1.

Every rear underrun protective device approved under this Regulation shall be so manufactured
as to conform to the type approved by meeting the requirements set out in paragraph 7 above.

The authority that has granted type approval may at any time verify the conformity control
methods applied in each production facility. The normal frequency of these verifications shall be
one every two years.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

The approval granted in respect of a type of RUPD pursuant
to this Regulation may be
withdrawn if the requirements set forth above are not met or if the protective device has
failed to pass the test prescribed in Annex 5.

If a Contracting Party to the Agreement applying this Regulation withdraws an approval it has
previously granted, it shall forthwith so notify the other Contracting Parties applying this Regu­
in Annex 1 to this
lation, by means of a communication form conforming to the model
Regulation.

MODIFICATION AND EXTENSION OF APPROVAL OF AN RUPD TYPE

Every modification of the RUPD type shall be notified to the administrative department which
approved the RUPD type. The department may then either:

10.1.1.

consider that the modifications made are unlikely to have an appreciable adverse effect and that
in any case the RUPD still complies with the requirements; or

10.1.2.

require a further test report from the technical service responsible for conducting the tests.

10.2.

10.3.

Confirmation or refusal of approval, specifying the alterations shall be communicated by the
procedure specified in paragraph 6.3 above to the Parties to the Agreement applying this
Regulation.

The competent authority issuing the extension of approval shall assign a series number of such
an extension and inform thereof the other Parties to the 1958 Agreement applying this Regu­
in Annex 1 to this
lation by means of a communication form conforming to the model
Regulation.

11.

PRODUCTION DEFINITELY DISCONTINUED

If the holder of the approval completely ceases to manufacture a type of rear underrun protective
device approved in accordance with this Regulation, he shall so inform the authority which
granted the approval. Upon receiving the relevant communication that authority shall inform
thereof the other Parties to the 1958 Agreement applying this Regulation by means of a
communication form conforming to the model in Annex 1 to this Regulation.

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12.

NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL
TESTS, AND OF ADMINISTRATIVE DEPARTMENTS

The Parties to the 1958 Agreement applying this Regulation shall communicate to the United
Nations Secretariat the names and addresses of the technical services responsible for conducting
approval tests and of the administrative departments which grant approval and to which forms
certifying approval or extension or refusal or withdrawal of approval, issued in other countries,
are to be sent.

PART II: APPROVAL OF A VEHICLE WITH REGARD TO THE INSTALLATION OF AN RUPD OF
AN APPROVED TYPE

13.

DEFINITIONS

13.1.

For the purposes of Part II of this Regulation:

13.1.1.

‘approval of a vehicle’ means the approval of a vehicle type with regard to the installation of an
RUPD of an approved type according to Part I of this Regulation;

13.1.2.

‘vehicle type’ means vehicles which do not differ in such essential aspects as:

— the width of the rear axle,

— the structure, the dimensions, the shape and the height from the ground of the rear part of
the vehicle and the characteristics of the suspension, in so far as they have a bearing on the
requirements specified in paragraph 19 of this Regulation,

— the approved RUPDs fitted to the vehicle.

13.2.

Other definitions applicable to this Part II are contained in paragraph 3 of this Regulation.

14.

14.1.

APPLICATION FOR APPROVAL

The application for approval of a vehicle type with regard to the installation of an RUPD(s) of an
approved type shall be submitted by the vehicle manufacturer or by his duly accredited rep­
resentative.

14.2.

It shall be accompanied by the under-mentioned documents in triplicate and by the following
particulars:

14.2.1.

drawings of the vehicle showing, according to the criteria referred to in paragraph 13.1.2 of this
Regulation, the vehicle type in side and rear elevation with the indication of the position of the
approved RUPD(s) and design details of its (their) fixing elements to the chassis of the vehicle;

14.2.2.

the maximum mass of the vehicle;

14.2.3.

a list of the RUPDs intended to be fitted to the vehicle;

14.2.4.

at the request of the competent authority the type approval communication form (i.e. Annex 1 of
this Regulation) of each RUPD shall also be supplied.

14.3.

A vehicle representative of the type to be approved and fitted with an approved RUPD shall be
submitted to the technical service responsible for conducting the approval tests.

14.3.1.

A vehicle not comprising all the components proper to the type may be accepted for test
provided that it can be shown by the applicant to the satisfaction of the competent authority
that the absence of the components omitted has no effect on the results of the verifications, so
far as the requirements of this Regulation are concerned.

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14.4.

15.

15.1.

15.2.

15.3.

15.4.

The competent authority shall verify the existence of satisfactory arrangements for ensuring
effective checks on conformity of production before type approval is granted.

APPROVAL

If the vehicle submitted for approval pursuant to this Regulation is provided with an approved
RUPD and meets the requirements of paragraph 16 below, approval of that vehicle type shall be
granted.

An approval number shall be assigned to each type approved. Its first two digits (at present 02
corresponding to the 02 series of amendments) shall indicate the series of amendments incor­
porating the most recent major technical amendments made to the Regulation at the time of
issue of the approval. The same Contracting Party may not assign the same number to another
vehicle type.

Notice of approval or of extension or of refusal of approval of a vehicle type pursuant to this
Regulation shall be communicated to the Parties to the 1958 Agreement which apply this
Regulation, by means of a form conforming to the model in Annex 2 to this Regulation.

There shall be affixed, conspicuously and in a readily accessible place specified on the approval
form, to every vehicle conforming to a vehicle type approved under this Regulation an interna­
tional approval mark consisting of:

15.4.1.

a circle surrounding the letter ‘E’ followed by the distinguishing number of the country which has
granted approval (3);

15.4.2.

the number of this Regulation, followed by the letter ‘R’, a dash and the approval number to the
right of the circle prescribed in paragraph 15.4.1.

15.5.

If the vehicle conforms to a vehicle type approved, under one or more other Regulations
Annexed to the Agreement, in the country which has granted approval under this Regulation,
the symbol prescribed in paragraph 15.4.1 need not be repeated; in such a case the Regulation
and approval numbers and the additional symbols of all the Regulations under which approval
has been granted in the country which has granted approval under this Regulation shall be placed
in vertical columns to the right of the symbol prescribed in paragraph 15.4.1.

15.6.

The approval mark shall be clearly legible and be indelible.

15.7.

The approval mark shall be placed close to or on the vehicle data plate affixed by the manu­
facturer.

15.8.

Annex 4 to this Regulation gives examples of arrangements of approval marks.

16.

16.1.

16.2.

REQUIREMENTS FOR INSTALLATION OF AN APPROVED RUPD

The ground clearance with respect to the underside of the protective device, even when the
vehicle is unladen, must not exceed 550 mm over its entire width and shall be such that the
height above the ground of the points of application of the test forces applied to the device
according to Part I of this Regulation and recorded in the type approval communication form
(Annex 1, item 7) does not exceed 600 mm.

The width of the rear protective device must at no point exceed the width of the rear axle
measured at the outermost points of the wheels, excluding the bulging of the tyres close to the
ground, nor must it be more than 100 mm shorter on either side. Where there is more than one
rear axle, the width to be considered is that of the widest rear axle. In addition the requirements
of paragraphs 3.1.2 and 3.1.3 of Annex 5 relating the distance of the points of application of the
test forces from the outer edges of the rear wheels (Annex 1, paragraph 7) must be verified and
recorded in the type approval communication form.

(3) See footnote 2.

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16.3.

The device must be so fitted that the horizontal distance between the rear of the device and the
rear extremity of the vehicle, including any platform lift mechanism, does not exceed 400 mm
diminished by the recorded deformation (paragraph 7.3 of Part I) measured at any of the points
where the test forces have been applied (Annex 1, item 8) during the type approval of the rear
underrun protective device in conformity with the provisions of Part I of this Regulation and
recorded in the type approval communication form. In measuring this distance, any part of the
vehicle which is more than 2 m above the ground when the vehicle is unladen shall be excluded.

16.4.

The maximum mass of a vehicle type for which approval is requested shall not exceed the value
indicated on the type approval communication form of each approved RUPD intended to be
installed on that vehicle.

17.

CONFORMITY OF PRODUCTION

The conformity of production procedures shall comply with those set out in the Agreement,
Appendix 2 (E/ECE/324-E/ECE/TRANS/505/Rev.2), with the following requirements:

17.1.

17.2.

18.

18.1.

18.2.

19.

19.1.

Every vehicle approved under this Regulation shall be so manufactured as to conform to the type
approved by meeting the requirements set out in paragraph 16 above.

The authority that has granted type approval may at any time verify the conformity control
methods applied in each production facility. The normal frequency of these verifications shall be
one every two years.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

The approval granted in respect of a vehicle type pursuant to this Regulation may be withdrawn
if the requirements set forth above are not met.

If a Contracting Party to the Agreement applying this Regulation withdraws an approval it has
previously granted, it shall forthwith so notify the other Contracting Parties applying this Regu­
lation, by means of a communication form conforming to the model
in Annex 2 to this
Regulation.

MODIFICATION AND EXTENSION OF APPROVAL OF A VEHICLE TYPE

Every modification of the vehicle type shall be notified to the administrative department which
approved the vehicle type. The department may then either:

19.1.1.

consider that the modifications made are unlikely to have an appreciable adverse effect and that
in any case the vehicle still complies with the requirements; or

19.1.2.

require a further test report from the technical service responsible for conducting the tests.

19.2.

19.3.

Confirmation or refusal of approval, specifying the alteration, shall be communicated by the
procedure specified in paragraph 15.3 above to the Parties to the Agreement applying this
Regulation.

The competent authority issuing the extension of approval shall assign a series number for such
an extension and inform thereof the other Parties to the 1958 Agreement applying this Regu­
in Annex 2 to this
lation by means of a communication form conforming to the model
Regulation.

20.

PRODUCTION DEFINITELY DISCONTINUED

If the holder of the approval completely ceases to manufacture a type vehicle approved in
accordance with this Regulation, he shall so inform the authority which granted the approval.
Upon receiving the relevant communication, that authority shall inform thereof the other Parties
to the 1958 Agreement applying this Regulation by means of a communication form
conforming to the model in Annex 2 to this Regulation.

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21.

NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL
TESTS, AND OF ADMINISTRATIVE DEPARTMENTS

The Parties to the 1958 Agreement applying this Regulation shall communicate to the United
Nations Secretariat the names and addresses of the technical services responsible for conducting
approval tests and of the administrative departments which grant approval and to which forms
certifying approval or extension or refusal or withdrawal of approval, issued in other countries,
are to be sent.

PART III: APPROVAL OF A VEHICLE WITH REGARD TO ITS REAR UNDERRUN PROTECTION
(RUP)

22.

DEFINITIONS

22.1.

For the purposes of Part III of this Regulation:

22.1.1.

‘approval of a vehicle’ means the approval of a vehicle type with regard to its RUP;

22.1.2.

‘vehicle type’ means a category of vehicles which do not differ with respect to the essential points
as the width of the rear axle, the structure, the dimensions, the shape and the materials of the
rear part of the vehicle, the characteristics of the suspension in so far as they have a bearing on
the requirements specified in paragraph 25 of this Regulation;

22.1.3.

‘rear underrun protection (RUP)’ means the presence at the rear of the vehicle of either:

22.1.3.1. a special RUPD; or

22.1.3.2. body work, chassis parts or other components, such that, by virtue of their shape and characte­
ristics, these elements can be regarded as totally or partially fulfilling the function of the RUPD.

22.2.

Other definitions applicable to this Part III are contained in paragraph 3 of this Regulation.

23.

23.1.

23.2.

APPLICATION FOR APPROVAL

The application for approval of a vehicle type with regard to the protection afforded by the RUP
shall be submitted by the vehicle manufacturer or by his duly accredited representative.

It shall be accompanied by the under-mentioned documents in triplicate and by the following
particulars:

23.2.1.

a detailed description of the vehicle type with respect to its structure, dimensions,
constituent materials in so far as required for the purpose of this Regulation;

lines and

23.2.2.

drawings of the vehicle showing the vehicle type in side and rear elevation and design details of
the rear parts of the structure;

23.2.3.

the maximum mass of the vehicle;

23.2.4.

a detailed description of the RUP: its dimensions, lines, constituent materials and position on the
vehicle.

23.3.

A vehicle representative of the type to be approved shall be submitted to the technical service
responsible for conducting the approval tests.

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23.3.1.

a vehicle not comprising all the components proper to the type may be accepted for test
provided that it can be shown by the applicant to the satisfaction of the competent authority
that the absence of the components omitted has no effect on the results of the verification, so far
as the requirements of this Regulation are concerned.

23.4.

24.

24.1.

24.2.

24.3.

24.4.

The competent authority shall verify the existence of satisfactory arrangements for ensuring
effective checks on conformity of production before type approval is granted.

APPROVAL

If the vehicle submitted for approval pursuant to this Regulation meets the requirements of
paragraph 25 below, approval of that vehicle type shall be granted.

An approval number shall be assigned to each type approved. Its first two digits (at present 02
corresponding to the 02 series of amendments) shall indicate the series of amendments incor­
porating the most recent major technical amendments made to the Regulation at the time of
issue of the approval. The same Contracting Party may not assign the same number to another
vehicle type.

Notice of approval or of extension or of refusal of approval of a vehicle type pursuant to this
Regulation shall be communicated to the Parties to the 1958 Agreement which apply this
Regulation, by means of a form conforming to the model in Annex 3 to this Regulation.

There shall be affixed, conspicuously and in a readily accessible place specified on the approval
form, to every vehicle conforming to a vehicle type approved under this Regulation an interna­
tional approval mark consisting of:

24.4.1.

a circle surrounding the letter ‘E’ followed by the distinguishing number of the country which has
granted approval (4);

24.4.2.

the number of this Regulation, followed by the letter ‘R’, a dash and the approval number to the
right of the circle prescribed in paragraph 24.4.1.

24.5.

If the vehicle conforms to a vehicle type approved, under one or more other Regulations
Annexed to the Agreement, in the country which has granted approval under this Regulation,
the symbol prescribed in paragraph 24.4.1 need not be repeated; in such a case the Regulation
and approval numbers and the additional symbols of all the Regulations under which approval
has been granted in the country which has granted approval under this Regulation shall be placed
in vertical columns to the right of the symbol prescribed in paragraph 24.4.1.

24.6.

The approval mark shall be clearly legible and be indelible.

24.7.

The approval mark shall be placed close to or on the vehicle data plate affixed by the manu­
facturer.

24.8.

Annex 4 to this Regulation gives examples of arrangements of approval marks.

25.

25.1.

REQUIREMENTS FOR RUP

The ground clearance with respect to the underside of the RUP, even when the vehicle is unladen,
must not exceed 550 mm over its entire width.

25.2.

The RUP must be situated as close to the rear of the vehicle as possible.

(4) See footnote 2.

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25.3.

25.4.

25.5.

25.6.

The width of the RUP must at no point exceed the width of the rear axle measured at the
outermost points of the wheels, excluding the bulging of the tyres close to the ground, nor must
it be more than 100 mm shorter on either side. Where there is more than one rear axle, the
width to be considered is that of the widest rear axle. Where the device is contained in or
comprised by the vehicle bodywork which itself extends beyond the width of the rear axle the
requirement that the width of the RUP must not exceed that of the rear axle shall not apply.

The section height of the RUP must not be less than 100 mm. The lateral extremities of the RUP
must not bend to the rear or have a sharp outer edge, this condition is fulfilled when the lateral
extremities of the RUP are rounded on the outside and have a radius of curvature of not less than
2,5 mm.

The RUP may be so designed to have several positions at the rear of the vehicle. In this event,
there must be a guaranteed method of securing it in the service position so that any uninten­
tional change of position is precluded. The force applied by the operator to vary the position of
the RUP must not exceed 40 daN.

The RUP must offer adequate resistance to forces applied parallel to the longitudinal axis of the
vehicle and be connected, when in the service position, with the chassis side-members or
whatever replaces them. This requirement will be satisfied if it is shown that both during and
after the application of the forces described in Annex 5 the horizontal distance between the rear
of the RUP and the rear extremity of the vehicle, including any platform lift mechanism, does not
exceed 400 mm at any of the points where the test forces are applied. In measuring this distance,
any part of the vehicle which is more than 2 m above the ground when the vehicle is unladen
must be excluded.

25.7.

A practical test shall not be required where it can be shown by calculation that the requirements
of Annex 5, paragraph 3, are met. Where a practical test is carried out, the device must be
connected to the chassis side-members of the vehicle or to a significant part of these or to other
structural members.

25.8.

For vehicles fitted with a platform lift at the rear, the underrun device may be interrupted for the
purposes of the mechanism. In this case, the following special requirements apply:

25.8.1.

the maximum lateral clearance measured between the elements of the underrun device and the
elements of the platform lift, which move through the interruption when the lift is operated and
which make the interruption necessary, may amount to no more than 2,5 cm;

25.8.2.

the individual elements of
the lift
mechanism, where provided, must have an effective surface area, in each case, of at least 350
cm2.

including those outboard of

the underrun protection,

However,
in the case of vehicles having a width of less than 2 000 mm and where it is
impossible to achieve the above requirement, the effective surface may be reduced on the
condition that the resistance criteria are met.

26.

CONFORMITY OF PRODUCTION

The conformity of production procedures shall comply with those set out in the Agreement,
Appendix 2 (E/ECE/324-E/ECE/TRANS/505/Rev.2), with the following requirements:

26.1.

26.2.

Every vehicle approved under this Regulation shall be so manufactured as to conform to the type
approved by meeting the requirements set out in paragraph 25 above;

The authority that has granted type approval may at any time verify the conformity control
methods applied in each production facility. The normal frequency of these verifications shall be
one every two years.

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27.

27.1.

27.2.

28.

28.1.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

The approval granted in respect of a vehicle type pursuant to this Regulation may be withdrawn
if the requirements set forth above are not met or if the vehicle has failed to pass the test
prescribed in Annex 5.

If a Contracting Party to the Agreement applying this Regulation withdraws an approval it has
previously granted, it shall forthwith so notify the other Contracting Parties applying this Regu­
in Annex 3 to this
lation, by means of a communication form conforming to the model
Regulation.

MODIFICATION AND EXTENSION OF APPROVAL OF A VEHICLE TYPE

Every modification of the vehicle type shall be notified to the administrative department which
approved the vehicle type. The department may then either:

28.1.1.

consider that the modifications made are unlikely to have an appreciable adverse effect and that
in any case the vehicle still complies with the requirements; or

28.1.2.

require a further test report from the technical service responsible for conducting the tests.

28.2.

28.3.

Confirmation or refusal of approval, specifying the alterations shall be communicated by the
procedure specified in paragraph 24.3 above to the Parties to the Agreement applying this
Regulation.

The competent authority issuing the extension of approval shall assign a series number for such
an extension and inform thereof the other Parties to the 1958 Agreement applying this Regu­
in Annex 3 to this
lation by means of a communication form conforming to the model
Regulation.

29.

PRODUCTION DEFINITELY DISCONTINUED

If the holder of the approval completely ceases to manufacture a vehicle type approved in
accordance with this Regulation, he shall so inform the authority which granted the approval.
Upon receiving the relevant communication that authority shall inform therof the other Parties to
the 1958 Agreement applying this Regulation by means of a communication form conforming
to the model in Annex 3 to this Regulation.

30.

NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL
TESTS, AND OF ADMINISTRATIVE DEPARTMENTS

The Parties to the 1958 Agreement applying this Regulation shall communicate to the United
Nations Secretariat the names and addresses of the technical services responsible for conducting
approval tests and of the administrative departments which grant approval and to which forms
certifying approval or extension or refusal or withdrawal of approval, issued in other countries,
are to be sent.

31.

31.1.

PART IV: TRANSITIONAL PROVISIONS

TRANSITIONAL PROVISIONS

As from the official date of entry into force of the 02 series of amendments, no Contracting
Party applying this Regulation shall:

(a) refuse to grant approval under Parts I, II and III of this Regulation as amended by the 02

series of amendments;

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(b) refuse a type of component or separate technical unit approved under Part I of this Regu­

lation as amended by the 02 series of amendments;

(c) prohibit the fitting on a vehicle of a component or separate technical unit approved under

Parts I and II of this Regulation as amended by the 02 series of amendments.

31.2.

Until 18 months after the date of entry into force of this Regulation as amended by the 02 series
of amendments, Contracting Parties applying this Regulation shall:

(a) not refuse a type of component or separate technical unit approved under Part I of this

Regulation as amended by the 01 series of amendments;

(b) not refuse to grant approvals to those types of component or separate technical unit which
comply with the requirements of Part I of this Regulation as amended by the 01 series of
amendments;

(c) not refuse to grant extensions of approval for components or separate technical units which

comply with Part I of this Regulation as amended by the 01 series of amendments;

(d) continue to allow the fitting on a vehicle of a component or separate technical unit approved

under Parts I and II of this Regulation as amended by the 01 series of amendments.

31.3.

Starting 18 months after the date of entry into force of this Regulation as amended by the 02
series of amendments, Contracting Parties applying this Regulation shall:

(a) refuse a type of component or separate technical unit which does not meet the requirements

of Part I of this Regulation as amended by the 02 series of amendments;

(b) grant approvals only if the type of component or separate technical unit to be approved
this Regulation as amended by the 02 series of

I of

meets the requirements of Part
amendments;

(c) prohibit the fitting of a component or separate technical unit which does not meet the
requirements of Parts I and II of this Regulation as amended by the 02 series of amendments;

(d) consider approvals in the case of types of component or separate technical unit to be invalid,
except where they comply with the requirements of Part I of this Regulation as amended by
the 02 series of amendments.

31.4.

Until 48 months following the date of entry into force of this Regulation as amended by the 02
series of amendments Contracting Parties applying this Regulation shall:

(a) continue to grant approvals to those types of vehicles which comply with the requirements

of Part III of this Regulation as amended by the 01 series of amendments;

(b) continue to accept national or regional type-approval of a vehicle type-approved under Part

III of this Regulation as amended by the 01 series of amendments.

31.5.

As from 48 months after the date of entry into force of this Regulation as amended by the 02
series of amendments, Contracting Parties applying this Regulation shall:

(a) grant approvals only if the vehicle type to be approved meets the requirements of Part III of

this Regulation as amended by the 02 series of amendments;

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(b) refuse national or regional type-approval and shall refuse first national or regional registration
(first entry into service) of a vehicle which does not meet the requirements of Part III of this
Regulation as amended by the 02 series of amendments;

(c) consider approvals to this Regulation to be invalid, except in the case of vehicle types which
comply with the requirements of Part III of this Regulation as amended by the 02 series of
amendments.

31.6.

Notwithstanding the transitional provisions above, Contracting Parties whose application of this
Regulation comes into force after the date of entry into force of the most recent series of
amendments are not obliged to accept approvals which were granted in accordance with any
of the preceding series of amendments to this Regulation.

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ANNEX 1

COMMUNICATION

(maximum format: A4 (210 × 297 mm))

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ANNEX 2

COMMUNICATION

(maximum format: A4 (210 × 297 mm))

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ANNEX 3

COMMUNICATION

(maximum format: A4 (210 × 297 mm))

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ANNEX 4

ARRANGEMENTS OF APPROVAL MARKS

Model A

(See paragraphs 6.4, 15.4, 24.4 of this Regulation)

a = 8 mm min.

The above approval mark affixed to a vehicle or to an RUPD shows that the vehicle type or RUPD type concerned has,
with regard to the rear underrun protection in the event of a collision, been approved in the Netherlands (E 4) pursuant
to Regulation No 58 under approval number 022439. The first two digits of the approval number indicate that the
approval was granted in accordance with the requirements of Regulation No 58 as amended by the 02 series of
amendments.

Model B

(See paragraphs 6.5, 15.5, 24.5 of this Regulation)

a = 8 mm min.

The above approval mark affixed to a vehicle shows that the vehicle type concerned has been approved in the
Netherlands (E 4) pursuant to Regulations Nos 58 and 31 (1). The approval numbers indicate that, at the dates when
the respective approvals were given, Regulation No 58 included the 02 series of amendments and Regulation No 31 was
still in its original form.

(1) The latter number is given as an example only.

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ANNEX 5

TEST CONDITIONS AND PROCEDURES

1.

TEST CONDITIONS FOR RUPDs

1.1.

At the request of the manufacturer the test may be conducted either:

1.1.1. on a vehicle of the type for which RUPD is intended; in this case the conditions set out in paragraph 2 shall be

observed; or

1.1.2. on a part of the chassis of the vehicle type for which the RUPD is intended; this part shall be representative of the

vehicle type(s) in question; or

1.1.3. on a rigid test bench.

1.2.

In the case of paragraphs 1.1.2 and 1.1.3 the parts used to connect the RUPD to part of the vehicle chassis or to
the rigid test bench shall be equivalent to those which are used to secure the RUPD when it is installed on the
vehicle.

1.3.

At the request of the manufacturer and with the consent of the technical service the test procedure described in
paragraph 3 may be simulated by calculation.

2.

TEST CONDITIONS FOR VEHICLES

2.1.

The vehicle shall be at rest on a level, flat, rigid and smooth surface.

2.2.

The front wheels shall be in the straight-ahead position.

2.3.

The tyres shall be inflated to the pressure recommended by the vehicle manufacturer.

2.4.

The vehicle may, if necessary to achieve the test forces required in paragraph 3.1 below, be restrained by any
method, this method to be specified by the vehicle manufacturer.

2.5.

3.

3.1.

Vehicles equipped with hydropneumatic, hydraulic or pneumatic suspension or a device for automatic levelling
according to load shall be tested with the suspension or device in the normal running condition specified by the
manufacturer.

TEST PROCEDURE

The requirements of paragraphs 7.3 and 25.6 of this Regulation shall be verified by means of suitable test
mandrels; the forces for tests prescribed in paragraphs 3.1.1 and 3.1.2 below shall be applied separately and
consecutively, via a surface not more than 250 mm in height (the exact height must be indicated by the
manufacturer) and 200 mm wide, with a radius of curvature of 5 + 1 mm at the vertical edges. The height
above the ground of the centre of the surface must be defined by the manufacturer within the lines that bound the
device horizontally. When the test is carried out on a vehicle the height must not, however, exceed 600 mm when
the vehicle is unladen. The order in which the forces are applied may be specified by the manufacturer.

3.1.1. A horizontal force of 100 kN or 50 % of the force generated by the maximum mass of the vehicle, whichever is
the lesser, shall be applied consecutively to two points situated symmetrically about the centre line of the device or
of the vehicle whichever is applicable at a minimum distance apart of 700 mm and a maximum of 1 m. The exact
location of the points of application shall be specified by the manufacturer.

3.1.2.

In the cases defined in paragraphs 1.1.1 and 1.1.2 of this Annex a horizontal force of 50 kN or 25 per cent of the
force generated by the maximum mass of the vehicle, whichever is the lesser, shall be applied consecutively to two
points located 300 + 25 mm from the longitudinal planes tangential to the outer edges of the wheels on the rear
axle and to a third point located on the line joining these two points, in the median vertical plane of the vehicle.

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3.1.3.

In the cases defined in paragraph 1.1.3 of this Annex a horizontal force of 50 kN or 25 per cent of the force
generated by the maximum mass of the vehicle for which the device is intended, whichever is the lesser, shall be
applied consecutively to two points located at the discretion of the manufacturer of the rear underrun protective
device and to a third point located on the line joining these two points, in the median vertical plane of the device.

3.2.

Replacement force application points

If any point defined under paragraph 3.1 is located within the interruption area of the underrun protection device
as mentioned in paragraphs 7.4 or 25.8 of this Regulation, the test forces shall be applied at replacement points
located:

3.2.1. for the requirement under paragraph 3.1.1, on the horizontal centerline and within 50 mm of each vertical edge

closest to the intended points of force application, as defined in that paragraph; and

3.2.2. for the requirement under paragraph 3.1.2, at the intersection of the horizontal and vertical centerlines of each
element furthest from the vertical centerline of the device or of the vehicle, whichever is applicable. These points
should be a maximum of 325 mm from the longitudinal planes tangential to the outer edges of the wheels on the
rear axle.