15.—(1) In the United Kingdom, a manufacturer of vessels must retain, for a period of at least 10 years from the date on which the last vessel in the series is manufactured–
(a)copies of all documentation submitted by him or by his authorised representa tive established in the Community to an approved body for the purpose of obtaining any of the EC certificates referred to above in these Regulations;
(b)any certificates issued by an approved body to him or his authorised representative under these Regulations or corresponding provisions having effect elsewhere in the Community;
(c)any documents accompanying any such certificate so issued;
(d)in a case where the manufacturer has complied with regulation 13(2) and (3) above, so much of any particular information required to be comprised in the design and manufacturing schedule as has become available only subsequent to compliance with those provisions;
(e)any EC declarations of conformity executed by him under regulation 14(2) above; and
(f)any reports made by qualified personnel pursuant to regulation 13(3)(d)(iii) above.