Where the united district for which, by an order under section 1 of this Act, a joint planning board is constituted comprises a licensing planning area, or the whole or part of such a united district is included in a licensing planning area, the Secretary of State may by order revoke or vary any order in force under Part VII of the Licensing Act 1964 so far as may be necessary or expedient in consequence of the order under section 1 of this Act.
Subject to subsection (1) of this section, nothing in any order made under section 1 of this Act shall affect the validity of any order in force under Part VII of the Licensing Act 1964 if made before the date of the order under section 1 of this Act.