at the request of the enforcement authority submit within twenty-eight days of the date of the request technical documentation or other information showing that the packaging complies with the essential requirements and the regulated metals concentration limits set out in regulation 6;

ensure that he retains the technical documentation or other information referred to in sub-paragraph (1) (a) above for a period of four years from the date that he places the packaging on the market.

submit a report as required under sub-paragraphs 2(a) and (b) of Schedule III to the enforcement authority;

at the request of the enforcement authority, submit within twenty-eight days of the date of the request the annual declaration of conformity and other information set out in sub-paragraphs 2 (a) and (b) of Schedule II and sub-paragraph 2 (c) of Schedule III.