reg 66 Designation of market surveillance authority
(1) The market surveillance authority is— (a) in the case of pressure equipment and assemblies for use in the workplace— (i) subject to paragraph (2), in Great Britain, the Health and Safety Executive ; and (ii) in Northern Ireland, the Health and Safety Executive for Northern Ireland ; (b) in the case of pressure equipment and assemblies for private use or consumption— (i) in Great Britain, within its area, a weights and measures authority; and (ii) in Northern Ireland, within its area, a district council. (2) In so far as these Regulations apply to pressure equipment or assemblies intended exclusively or primarily for use on relevant nuclear sites, the market surveillance authority is the Office for Nuclear Regulation. (3) In paragraph (2), “ relevant nuclear site ” means a site which is— (a) a GB nuclear site (within the meaning given in section 68 of the Energy Act 2013 ); (b) an authorised defence site (within the meaning given in regulation 2(1) of the Health and Safety (Enforcing Authority) Regulations 1998 ); or (c) a new nuclear build site (within the meaning given in regulation 2A of those Regulations).