# The Goods Vehicles (Plating and Testing) Regulations 1988, Paragraph 3

Extent: E+W+S

The minimum braking force capable of being developed by the brakes of a trailer manufactured on or after 1st January 1968 but before 1st October 1982 should in the case of—
(a) a trailer, not being a semi-trailer, be 0.5 W;
(b) a semi-trailer, be 0.4 W.

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Source: https://www.legislation.gov.uk/uksi/1988/1478/schedule/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/goods-vehicles-plating-and-testing-regulations-1988/schedule-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.