Recovery of benefits
7.  In any case where, under section 57C of the Act, the Board may recover on behalf of the Government any cash payment or relevant contribution (including any interest on the relevant contribution) received by a member, or any part thereof, the Board may —
(a)require the member to pay to the Board, in cash, the whole or such part, as the Board may determine, of the amount of the cash payment or relevant contribution (including any interest on the relevant contribution) or part thereof; or
(b)deduct, from any money standing to the credit of the member in the Fund, the whole or such part, as the Board may determine, of the amount of the relevant contribution (including any interest on the relevant contribution) or part thereof.