Document ID: chunk:federal_register_of_legislation:F2023C00153:reg:1:p7
Version: federal_register_of_legislation:F2023C00153
Segment Type: reg
Provision Reference: reg 1 (pt 7/7)
Character Range: 78821–80642

for The former Yugoslav Republic of Macedonia. 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.
[2/]1/ Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation).
2/ Strike out what does not apply.
[*/]
[1/ ]1/ 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.
[2/] When the tested headlamp is grouped and/or reciprocally incorporated with signalling lamps, the latter shall be lit for the duration of the test.
[3]3/ 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 % solution at 20 degrees C.
[4/] The tolerance on quantity is due to the necessity of obtaining a dirt that correctly spreads out on all the plastic lens.
[5/] 50 V is situated 375 mm below HV on the vertical line v-v on the screen at 25 m distance.
[1/] 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.
[2/] For L2 it is recommended to use a focal distance of about 80 mm.