Paragraph 35 Placing of signs varied to show metric units

Where the indication given by a sign shown in diagram 629, 629.1, 780, 780.1 or 780.2 is varied in accordance with regulation 17 and item 2 of Schedule 16, that sign may be placed only in combination with another sign of the same type whose indication has not been so varied.

Paragraph (1) shall apply when a sign shown in diagram 629 or 629.1 is incorporated as a symbol into another sign.