Paragraph 4 I1

Subject to sub-paragraph (2) of this paragraph weights on plates first affixed to a vehicle on or after 1st October 1972 shall be shown in kilograms and weights on plates first so affixed before that date shall be shown in tons and decimals thereof.

Where a new weight is first shown on a plate by virtue of the proviso to paragraph 2(1) the weight shall be shown as if it was on a plate first affixed to a vehicle on the date it was first shown.