Schedule 4 I1 Northern Ireland Not yet in force Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 4 coming into force by Motor Vehicles (Authorisation of Special Types) 1997 art. 1 Form of Identification Sign Annotations Commencement I1 Sch. 4 in operation at 7.4.1997, see art. 1 ← Schedule 3 Schedule 4 Schedule 5 →