The Constituency Members Election Rules shall have effect for the purposes of the election of constituency members of the London Assembly (whether at an ordinary election or in the circumstances mentioned in section 10 (filling a vacancy in an Assembly constituency) of the 1999 Act); but where the election is an ordinary election, those Rules shall have effect subject to the Ordinary Elections Rules.

The London Members Election Rules, with the exception of Part VII, shall have effect for the purposes of the allocation of seats for London members of the London Assembly at any ordinary election; and Part VII of those Rules shall have effect for the purposes of section 11 (filling a vacancy among the London members) of the 1999 Act; but where the election is an ordinary election, those Rules shall have effect subject to the Ordinary Elections Rules.