Sections 2, 5 and 6 of the Act came into force on Royal Assent. The remaining provisions in the Act come into force the end of the parliamentary Session which began on 17 July 2024. Section 4(4) provides that any writ of summons in respect of a hereditary peerage issued for the Parliament during which the Act came into force, has no effect after the end of the parliamentary Session which began on 17 July 2024.
Commencement