2.—(1) Where the relevant parent was the child’s only surviving parent or in respect of any period after the death of the child’s other parent, the child’s ordinary allowance shall, subject to paragraphs 4 and 5, be determined in accordance with this paragraph.
(2) Subject to sub-paragraph (3), an allowance determined in accordance herewith shall be of an annual amount equal to 25% of the relevant parent’s pension or notional pension mentioned in paragraph 3.
(3) Where 3 or more children’s ordinary allowances are for the time being payable in respect of the death of the same person, an allowance determined in accordance herewith shall be of an annual amount equal to 50% of the relevant parent’s pension or notional pension mentioned in paragraph 3 divided by the total number of allowances so payable.