The Commissioners may by order made by statutory instrument appoint and name as a port for the purposes of customs and excise any area in the United Kingdom specified in the order.

The appointment of any port for those purposes made before 1st August 1952 may be revoked, and the name or limits of any such port may be altered, by an order under subsection (1) above as if the appointment had been made by an order under that subsection.

The Commissioners may in any port from time to time appoint boarding stations for the purpose of the boarding of or disembarkation from ships by officers.