In this Act "the lead enforcement authority" means—
The Secretary of State may make arrangements for one of the following to be the lead enforcement authority for the purposes of this Act (for the whole of the United Kingdom) instead of the Secretary of State—
The arrangements—
The Secretary of State may by regulations made by statutory instrument make transitional provision for when there is a change in the lead enforcement authority.
The regulations may relate to a specific change in the lead enforcement authority or to changes that might arise from time to time.