Paragraph 57 Removal from party list on election as Mayor or constituency member
(1)
Where a person whose name is for the time being included in a party list is elected (otherwise than at an ordinary election)—
(a)
as the Mayor of London; or
(b)
as a constituency member,
his name shall be removed from that list.
(2)
For the purposes of this Part, the name of a person to whom paragraph (1) applies shall be treated as ceasing to be included in the list from the date on which he is returned as the Mayor or a constituency member, as the case may be (even if his return is void).