A local authority may by order designate for the purposes of this Act any land in their area which is land to which this Act applies; and in this Act “designated land” means land to which this Act applies which is for the time being so designated.

The power conferred by subsection (1) above includes power to designate land either specifically or by description, and to revoke or amend orders previously made.

The Secretary of State shall by regulations prescribe the form of orders under subsection (1) above, and the procedure to be followed in the making of such orders.

Such regulations shall in particular include provision requiring local authorities to publicise the making and effect of such orders.