Except as specified in paragraph 3, it shall be the duty of the Health and Safety Executive to make adequate arrangements for the enforcement of these Regulations in Great Britain in relation to machinery and partly completed machinery for use at work.

Except as specified in paragraph 3, it shall be the duty of every local weights and measures authority in Great Britain to enforce these Regulations within its area in relation to machinery or partly completed machinery which is not for use at work.

It shall be the duty of the Office of Rail Regulation to make adequate arrangements for the enforcement of these Regulations in Great Britain where the Health and Safety (Enforcing Authority for Railways and Other Guided Transport Systems) Regulations 2006 make it the enforcing authority, within the meaning of section 18(7) of the 1974 Act, in relation to machinery or partly completed machinery for use in the operation of a railway, tramway or any other system of guided transport, as defined in those Regulations.

It shall be the duty of the Health and Safety Executive for Northern Ireland to make adequate arrangements for the enforcement of these Regulations in Northern Ireland in relation to machinery and partly completed machinery for use at work.

It shall be the duty of every district council in Northern Ireland to enforce these Regulations within its area in relation to machinery or partly completed machinery which is not for use at work.

The Secretary of State may enforce these Regulations in relation to machinery or partly completed machinery which is not for use at work in cases where the Office of Rail Regulation is not the enforcement authority.