Part I Requirements relating to obligatory stop lamps and to optional stop lamps to the extent specified in part ii

Number–

A solo motor bicycle, a motor bicycle combination, an invalid carriage and a trailer drawn by a solo motor bicycle or a motor bicycle combination:

Any other motor vehicle first used before 1st January 1971 and any other trailer manufactured before that date:

Position–

Lateral–

Where only one stop lamp is fitted:

Minimum separation distance between two obligatory stop lamps:

Vertical–

A motor vehicle first used before 1st January 1971, a trailer manufactured before that date and a motor vehicle having a maximum speed not exceeding 25 mph:

Minimum height above the ground–

A motor vehicle first used before 1st January 1971 and a trailer manufactured before that date:

Angles of visibility–

Vertical–

Where the highest part of the illuminated area of the lamp is less than 1500 mm above the ground:

Where the highest part of the illuminated area of the lamp is less than 750 mm above the ground:

A motor vehicle first used before 1st January 1971 and a trailer manufactured before that date:

Alignment:

Markings–

A motor vehicle first used before 1st February 1974 and a trailer manufactured before that date:

A solo motor bicycle and a motor bicycle combination, in each case first used before 1st April 1986, and a trailer manufactured before 1st October 1985 drawn by a solo motor bicycle or a motor bicycle combination:

Size of illuminated area:

Colour:

Wattage–

Any other stop lamp:

Intensity: