Document ID: chunk:federal_register_of_legislation:F2023C00228:reg:1:p13
Version: federal_register_of_legislation:F2023C00228
Segment Type: reg
Provision Reference: reg 1 (pt 13/15)
Character Range: 657764–660451

applicable to headlamps intended to meet the requirements of this Regulation only for provision of a passing beam).
[13]/  Illumination values in any point of zones A and B, which also lies within zone III, shall not exceed 0.7 lux.
[14]/  This requirement will be the subject of a recommendation to administrations.
[15]/  For the test schedule see Annex 8 to this Regulation.
[16]/  When the tested headlamp includes signalling lamps, the latter shall be lit for the duration of the test.  In the case of a direction indicator lamp, it shall be lit in flashing mode with an on/off time of approximately one to one.
[17]/  Should two or more lamp filaments be simultaneously lit when headlamp flashing is used, this shall not be considered as being normal use of the filaments simultaneously.
[18]/  NaCMC represents the sodium salt of carboxymethylcellulose, customarily referred to as CMC.  The NaCMC used in the dirt mixture shall have a degree of substitution (DS) of      0.6-0.7 and a viscosity of 200-300 cP for a 2 per cent solution at 20° C.
[19]/  The tolerance on quantity is due to the necessity of obtaining a dirt that correctly spreads out on all the plastic lens.
[20]/  Point 50 V is situated 375 mm below HV on the vertical line v-v on the screen at 25 m distance.
[21]/  Letters in brackets refer to headlamps intended for left-hand traffic.
[22]/  See footnote 11/ in the text of this Regulation.
[23]/  When the driving beam is reciprocally incorporated with the passing beam, HV in the case of the driving beam shall be the same measuring point as in the case of the passing beam.
[24]/  HL and HR: points "hh" located at 1.125 m to the left and to the right of point HV respectively.
[25]/  For L2 it is recommended to use a focal distance of about 80 mm.
[26]/  See footnote 11/ in the text of this Regulation.
/  Former title of the Agreement:  Agreement Concerning the Adoption of Uniform Conditions of Approval and Reciprocal Recognition of Approval for Motor Vehicle Equipment and Parts, done at Geneva on 20 March 1958.
[27]/  Application of headlamps is given in the relevant Regulations on the installation of lighting and light-signalling devices.
[28]/  Nothing in this Regulation shall prevent a Party to the Agreement applying this Regulation from prohibiting the combination of a headlamp incorporating a lens of plastic material approved under this Regulation with a mechanical headlamp-cleaning device (with wipers).
[29]/  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).
[30]/  If the lens cannot be detached from the main body of