3.—(1) Subject to the provisions of this regulation, the Department, local authorities, the Minister, the Commissioners and the Wine Standards Board are hereby designated as the authorities responsible for ensuring compliance with the Community provisions.
(2) Each local authority shall secure the enforcement and execution of the relevant Community provisions in so far as they relate to the retail sale of products within its area.
(3) The Minister, the Commissioners and the Wine Standards Board shall secure the enforcement and execution of the relevant Community provisions in so far as they relate to the importation and exportation of any wine-sector product into England from a third country or from England to a third country.
(4) The Department, the Commissioners and the Wine Standards Board shall secure the enforcement and execution of the relevant Community provisions in so far as they relate to the importation and exportation of any wine-sector product into Northern Ireland from a third country or from Northern Ireland to a third country.
(5) The Wine Standards Board, and in England the Minister, and in Northern Ireland the Department, shall secure the enforcement and execution of the relevant Community provisions in so far as they relate to any matter not mentioned in paragraphs (2), (3) or (4) above.
(6) Nothing in this regulation shall be taken as authorising the Wine Standards Board or the Commissioners to institute proceedings for an offence.