4.—(1) If any representation or objection duly made with respect to an order is not withdrawn, the appropriate authority must, as soon as practicable (in the case of an order having immediate effect) or (in the case of an order requiring confirmation) before confirming the order—
(a)cause a local inquiry to be held; or
(b)afford any person by whom a representation or objection has been duly made and not withdrawn an opportunity of being heard by a person appointed by the appropriate authority for the purpose.
(2) On considering any representations or objections duly made and the report of any person appointed to hold the inquiry or to hear representations or objections, the appropriate authority—
(a)if the order has already taken effect, must decide either to take no action on the order or to make an order amending or revoking it as appropriate in the light of the report, representations or objections; and
(b)if the order requires confirmation, may confirm it (with or without modifications).
(3) The provisions of section 250(2) to (5) of the Local Government Act 1972 (which relate to evidence and costs in inquiries) apply in relation to an inquiry held under this paragraph.
(4) Where an amending or revoking order is made under sub-paragraph (2)(a)—
(a)it takes effect immediately;
(b)it does not require confirmation; and
(c)it is not necessary to consider any representation or objection made in respect of it.