A Partial amendment to  the Announcement that Prescribes Details of Safety 
Regulations  for the Road Transport Vehicles  
 
1. Background  
 
 For the sake of promoting the international harmonization of vehicle regulations and the 
mutual recognition of certificat es for automotive parts and equipment without degrading 
the levels of the national safety and environmental regulations, the Government of Japan 
acceded to the Agreement Concerning the Adoption of Uniform Technical Prescriptions 
for Wheeled Vehicles, Equip ment 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, done at Geneva on 20 March 1958 (hereinafter 
referred to as “the 1958 Agreement ”), in 1998, and has been progressively applying 
UNECE Regulations (hereinafter referred to as “UN Regulations ” annexed to the 1958 
Agreement to its national regulations so far.  
 
At the one -hundred -fifty-fourth  session of the World Forum for Harmonization of Vehicle 
Regulations held in June  2011, the forty -eighth  session of Administrative Committee of 
the 1958 Agreement (hereinafter, referred to as the "AC.1") agreed to add many 
amendments to UN Regulations  including the Regulation No. 13-H concerning Braking o f 
passenger cars, w hich will enter into force on 13 April 2012. 
 
 
2. Summary  of amendments  
 
A. Amendment for alignment with  amendments to UN Regulations  
 
2.1 Passenger car  brakes  
 
2.1.1 Scope  
The amendments provided below will apply to brakes for passenger  vehicles (except 
vehicles  for more than 10 passengers,  two-wheeled vehicles, side car motorcycle s, three 
wheeled vehicles, vehicles with sledge and caterpillar , vehicles with top speed below 25 
km/h  below and towed vehicles) and motor vehicles used for carriage of  goods  with a 
gross vehicle weight 3.5 t ons or less.  
 
2.1.2 Amendments  
 
In line with the requirements of UN Regulation No.13 -H, the corresponding national 
regulations will be amended, the outline of which is provided below:  
 
- Clarifying a test method of the multiple  electronic braking control system  to enable a 
visual check  at periodic technical inspection . 
- Clarifying a prescription fo r the operation display which can be shared with the 
Electronic stability controls  system  (ESC) and the other system  relating ESC . 
- Clarifying the  definition of the category A and category B by deleting  the definition and 
requirements for the category C for a brake assistant system  (BAS) . 
- Changing the test method of the measurement pedal actu ation and the measurement 
variable  for BAS. 
 
2.1.3 Date of application  
The amendments will enter into force on April 1 3, 2012.   
 
2.2 Occupant protection  
 
2.2.1 Scope  
The amendments provided below will apply  to the body of motor vehicles  except  following 
vehicles;  
- Passenger v ehicles with riding capac ity of not less than 10 people , 
- Vehicles similar to the configuration of the passenger vehicle s with ri ding capacity of 
not less than 10 peopl e, 
- Vehicles exceeding the gross vehicle weight  of 2.5 tons , 
- Vehicles similar to the configuration  of the vehicle exceeding the gross vehicle weight  of 
2.5 tons , 
- Two-wheel vehicles , 
- Side ca r motorcycle  (Two-wheel vehicles with a side car) , 
- Light-weight  vehicles with a caterpillar and a sledge , 
- Large -sized special motor vehicles , 
- Mini-sized special motor vehicles  and 
- Trailer  
 
2.2.2 Amendments  
In line with the requirements of UN Regulation No. 94, the corresponding national 
regulations will be amended, the outline of which is provided below:  
- Changing  the form of a alarm display label which shows that it is forbidden  to install a 
rearward-facing  child restraint system s into the front passenger se at equipped with 
airbags  
- Adding the requirements for tolerance of  damage on a alarm display label so that it 
cannot be easily removed from a sun visor , etc. 
<Display  label after the amendment > 
 
 
2.2.3 Date of appl ication  
 
2.2.3. 1 New type vehicle  
The amendments will apply to motor vehicles with electric power newly type -designated on 
or after 23 June 2014  and to other motor vehicles newly type -designated on or after 23 
June 2014 . 
 
2.2.3.2  Existing model vehicle  
The amendments wil l apply to motor vehicles with electric power manufa ctured on or after 
23 June 2016  and to other motor vehicles  manufactured on  or after 23 June 201 6. 
 
 
2.3 Anchorage devices for Child Restraint Systems (CRS)  
 
2.3.1 Scope  
The amendments provided below will  apply to anchorage devices for CRS  which are 
equipped for vehicles . 
 
2.3.2 Amendments  
In line with the requirements of UN Regulation No. 14, the corresponding national 
regulations will be amended, the outline of which is provided below:  
- Adding to the curre nt regulation providing  that identification display is shown  on the 
cover under which ISOFIX top tether anchorage  as well as ISOFIX anchorages system 
as child restraint fixture is located , at least one of the following conditions in order to 
clarify use of  ISOFIX top tether anchorage  shall be applied  to hooks etc. (herein after 
called “ hooks etc. ”) which  are located in the rear space of vehicle room  equipped by 
ISOFIX top tether anchorage  and able to connect  with ISOFIX  top tether fixer. 
<Identification dis play> 
 
 Design ing so that all the hooks can be used as ISOFIX top tether anchorage , 
 Display ing on the hook used as ISOFIX top tether anchorage so as to judge that it 
is the part of ISOFIX top tether anchorage , or 
 Display ing on the hook which cannot be use d as ISOFIX top tether anchorage so 
as to judge that it is not the part of ISOFIX top tether anchorage.  
 
- One piece may be sufficient equipment of child restraint fixture for v ehicles 
corresponding to the following conditions provided  that the display indicating the 
number of the child restraint fixtures with which a backseat is equipped is one with a 
caution label.  
 The number of doorway shall be two or less . 
 It is the structure where a rear seat  interferes with a power transmission device 
(transmission comp onent parts) or a buffer (suspension component parts), and 
equipment of the child restraint fixture is barred  
 Value of which motor maximum output (kW) multiplied by 1000 times  and divided  
by the vehicle weight which added 75 kg to weight of vehicle exceeds  140. 
 Motor maximum output  exceeds 200kw.  
 
2.3.3 D ate of application  
The amendments will apply to motor vehicles newly type -designated on or after 13 April 
2013,while it will not apply to vehicles produced continuously for the time being.  
 
B. Other Amendme nts 
 
2.4 Advanced Emergency Braking Systems (AEBS)  
 
2.4.1 Scope  
The amendment s will apply  to AEBS  of the following motor vehicles (except motor vehicles 
and three -wheeled motor vehicles of special construction to which  the AEBS  devices  
cannot be mounted) ; 
- Motor vehicles used for the transport of goods (except tractors and towed vehicle s) with 
a gross vehicle weight exceeding 8 tons; and  
- Tractors used for the transport of goods with a gross vehicle weight exceeding 13 tons.   
2.4.2 Amendments  
Due to present t endency  of traffic  accidents  caused by trucks , a safety regulation  on AEBS  
will be introduced from a safety perspective.  It will provide  requirements  that the AEBS  
automatically detect a possibility of collision with a forward vehicle using a sensor (e.g. mill 
wave radar) and automatically activate the vehicle braking system to decelerate the vehicle 
with the main purpose of avoiding or mitigating a collision  in certain conditions . 
 
2.4.3 Date of application  
The amendments will apply to motor vehicles equip ped with the AEBS device  concerned on 
or after April 1 2012. The obligation to equip with the AEBS device will be imposed on motor 
vehicles as following:  
 
2.4.3.1 New type vehicle  
The obligation  will be imposed on  motor vehicles used for the transport of g oods (except 
tractors and towed vehicle s) with a gross vehicle weight exceeding 22 tons  newly 
type-approved on or after November 1  2014 , on tractors used for the transport of goods 
with a gross vehicle weight exceeding 13 tons  newly type-approved  on or aft er November 1  
2014  and on motor vehicles used for the transport of goods (except tractors and trailers) 
with a gross vehicle weight exceeding 20 tons, but 22 tons or less  newly type -approved on 
or after November 1  2016 . 
 
2.4.3.2 Existing model vehicle  
The obligation will be imposed on  motor vehicles used for the transport of goods (except 
tractors and towed vehicle s) with a gross vehicle weight exceeding 22 tons  manufactured 
on or after September  1 201 7, on  tractors used for the transport of goods with a gr oss 
vehicle weight exceeding 13 tons  manufactured  on or after September  1 20 18 and on  
motor vehicles used for the transport of goods (except tractors and trailers) with a gross 
vehicle weight exceeding 20 tons, but 22 tons or less  manufactured on or after November 1 
2018. 
 
2.4.3.3 Other vehicle s 
The obligation will not be impose d on motor vehicles other than those mentioned above . 
 
 
2.5 Lamps  which can be incorporated into vehicles as defined other l amps  
 
2.5.1 Scope  
The following amendment s will apply to lamps of vehicles . 
 
2.5.2 Amendments  
- Clarifying  that i ndication lightings  which are not prescribed in the safety regulations 
such as for right and left turns, turning in road,  deceleration , shall not be incorporated 
into vehicles except emergency vehicles  such as police car s. 
- Clarifying  that lightings which inhibit  the performance of lightings specified to the  safety 
regulat ions shall not be incorporated into vehicles.  
          
2.5.3 Date of enter into force  
The amendments will apply on the date of the entry into force of the amendments.  
 
 3. Schedule  
 
The amendments  for alignment with amendments to UN Regulations will be promulgated at 
the end of February  2012 and enter into for ce on  13 April 2012 . The amendment s on the 
AEBS  will be  promulgated at the end of February  2012 and enter into force on  1 April 2012 . 
Other amendments will be promulgated and enter into force at the end of February  2012.