In the absence of an equivalent manufacturer’s plate the following vehicle types must be fitted with a weights and dimensions plate at an NSAI approved plating centre:

Goods vehicles (including their trailers and semi-trailers) with a design gross vehicle weight exceeding 3,500kg and,

Buses/coaches with more than 8 passenger seats and a design gross vehicle weight exceeding 5,000kg.

A check for the presence of an appropriate weights and dimensions plate is part of the roadworthiness test