S.R. 1999 No. 170
Motorcycles (Protective Helmets) Regulations (Northern Ireland) 1999.
S.R. 1999 No. 258
Motor Vehicles (Authorised Weight) Regulations (Northern Ireland) 1999.
S.R. 1999 No. 454
Motor Vehicle (Construction and Use) Regulations (Northern Ireland) 1999.
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