120.—(1) An active member (P), who is on reserve forces service leave and who is treated as receiving assumed pensionable pay, must pay contributions at the contribution rate ascertained in accordance with regulation 118 (member contributions).
(2) The amount of the contributions paid is calculated by multiplying the contribution rate by the lesser of the following amounts—
(a)assumed pensionable pay;
(b)the total of the actual pay received and any additional payment made by the scheme employer.