In this section and in sections 21 to 23 "lead enforcement authority" means—
the Secretary of State, or
a person whom the Secretary of State has arranged to be the lead enforcement authority in accordance with subsection (2).
The Secretary of State may make arrangements for a local weights and measures authority in England or Wales to be the lead enforcement authority instead of the Secretary of State.
The arrangements—
may include provision for payments by the Secretary of State;
may include provision about bringing the arrangements to an end.
The Secretary of State may by regulations make transitional or saving provision which applies 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.
A statutory instrument containing regulations under subsection (4) is subject to the negative procedure.