(1) There shall be deducted from any payment of pension or other benefit payable to or in respect of a person under this Act the amount of any contribution which that person is liable to pay, but has not paid, to the Fund.
(2) Where a person ceases to be a member within a period of less than one fortnight after he became a contributor and has not commenced to make contributions to the Fund, he shall, for the purposes of subsection (1), be deemed to be liable to pay to the Fund one fortnightly contribution.