2. In respect of any week in respect of which there are payable in respect of the deceased’s death both–
(a)a widow’s special pension or, where the deceased was a married woman or a woman in a civil partnership, a dependent relative’s special pension granted to her widower or surviving civil partner; and
(b)a dependent relative’s special pension other than, where the deceased was a married woman or a woman in a civil partnership, one granted as specified in sub paragraph (a),
the dependent relative’s special pension mentioned in sub paragraph (b) shall not be of the amount mentioned in paragraph 1 but, subject to paragraphs 3 and 4, of an amount equal to 20% of the deceased’s average pensionable pay for a week.