Uniform provisions concerning the approval of front and rear position (side) lamps, stop-lamps and end-outline marker lamps for power-driven vehicles and their trailers.

Uniform provisions concerning the approval of side-marker lamps for motor vehicles and their trailers.

Regulation No. 7. Uniform provisions concerning the approval of front and rear position (side) lamps, stop-lamps and end-outline marker lamps for motor vehicles (except motor cycles) and their trailers.

Amendments to Regulation No. 7. Uniform provisions concerning the approval of front and rear position (side) lamps, stop-lamps and end-outline marker lamps for motor vehicles (except motor cycles) and their trailers.

Regulation No. 7. Uniform provisions concerning the approval of front and rear position (side) lamps, stop-lamps and end-outline marker lamps for power-driven vehicles and their trailers. 15 October 1967

Regulation No. 91. Uniform provisions concerning the approval of side-marker lamps for motor vehicles and their trailers. 15 October 1993

Now turn the lamp right side up and look for the screw at the socket base.