13. Subject to regulation 14 and Schedule A1 (patients and treatment of claims for council tax benefit by refugees), where a claimant is a member of a polygamous marriage, his weekly applicable amount shall be the aggregate of such of the following amounts as may apply in his case—
(a)the amount applicable to him and one of his partners determined in accordance with paragraph 1(3) of Schedule 1 as if he and that partner were a couple;
(b)an amount equal to the difference between the amounts specified in sub-paragraphs (3) and (1)(b) of paragraph 1 of Schedule 1 in respect of each of his other partners;
(c)an amount determined in accordance with paragraph 2 of Schedule 1 (applicable amounts) in respect of any child or young person for whom he or a partner of his is responsible and who is a member of the same household;
(d)if he or another partner of the polygamous marriage is responsible for a child or young person who is a member of the same household, the amount specified in Part 2 of Schedule 1 (family premium);
(e)the amount of any premiums which may be applicable to him determined in accordance with Parts 3 and 4 of Schedule 1 (premiums).