The appropriate Minister may, subject to the provisions of this section, by order repeal or amend any provision relating to a harbour which is contained in a local Act passed before this Act or in a provisional order confirmed or made before this Act or any provision in the M1Milford Haven Conservancy Act 1958, where it appears to him that the provision is inconsistent with, or has become unnecessary in consequence of, any provision of this Act.

The appropriate Minister shall not make an order under this section repealing or amending any provision in a local Act the Bill for which was promoted, or in a provisional order which was applied for, by a harbour authority or by any body who became a harbour authority by virtue of the Act or order or whose functions under the Act or order have became exercisable by a harbour authority, except on the application of that authority.

Before making an order under this section the appropriate Minister shall consult with any harbour authority who appear to him to be concerned, not being an authority by whom an application for the making of the order was made.

An order under this section may contain such transitional, supplemental or incidental provisions as appear to the appropriate Minister to be expedient.

In this section “the appropriate Minister”, except in the case of the repeal or amendment of a provision relating to a fishery harbour or marine work, means the Minister, in the case of the repeal or amendment of a provision relating to a fishery harbour means the Minister of Agriculture, Fisheries and Food, and in the case of the repeal or amendment of a provision relating to a marine work means the Secretary of State.