19.—(1) The circumstances in which this regulation applies are where the latest date for the poll for a by-election would fall on or after the Thursday of the period of the next general election of MEPs (within the meaning of regulation 16(6) above).
(2) In the circumstances in which this regulation applies, regulations 16(3) and 18(1) above shall not apply and the Secretary of State shall not appoint a day for the poll for a by-election.