(1) For the purposes of regulations 18 to 21 -

(a) in relation to any alleged breach concerning a specified contract-

(i) the Authority, and

(ii) where the contract is a consumer credit contract -

(aa) in Great Britain, every local weights and measures authority, and

(bb) in Northern Ireland, the Department of Enterprise, Trade and Investment,

is an enforcement authority;

(b) in relation to any alleged breach concerning a contract under which the supplier is a local authority, but which is not a specified contract, the CMA is the enforcement authority;

(c) in relation to any other alleged breach -

(i) the CMA, and