The European Parliamentary Elections Regulations 1999

Combination of polls

8.  Where the poll at a European Parliamentary election is to be taken together with the poll at a parliamentary or local government election under section 15(1) or (2) of the 1985 Act, the elections rules shall have effect subject to–

(a)in England and Wales, the modifications in Part I of Schedule 3 to these Regulations, and

(b)in Scotland, the modifications in Part II of that Schedule.