15.—(1) This paragraph shall apply in the case of a student with dependants.
(2) The dependants requirements of the student shall, subject to paragraphs 16 and 17, be—
(a)if the student’s spouse holds a statutory award and in calculating payments under it account is taken of the spouse’s dependants requirement, one half of the amount determined in accordance with sub-paragraphs (3) and (4);
(b)in any other case, the whole of the amount so determined.
(3) The amount referred to in sub-paragraph (2) shall be the amount which is X − (Y − Z) where—
(a)X is the aggregate of the relevant sums specified in sub-paragraph (4);
(b)Y is the aggregate of the income of the student’s dependants;
(c)Z is so much of the sum ascertained by multiplying £615 by the number of his dependants as does not exceed Y.
(4) The relevant sums referred to in sub-paragraph (3) are—
(a)except where the student has a spouse who is the holder of a relevant award, £1,525; and
(b)in respect of each dependent child—
(i)under the age of 11 immediately before the beginning of the academic year, or born during that year, £320;
(ii)then aged 11 or over, but under 16, £640;
(iii)then aged 16 or over, but under 18, £845;
(iv)then aged 18 or over, £1,215;
except that the only or eldest dependent child shall be disregarded for the purposes hereof if the student has neither an adult dependant nor a spouse who is, or but for paragraph 14(2) would be, a dependant.