Voluntary contributions
9.  Where any employee desires to make a voluntary contribution to the Fund and the amount has not been deducted from his wages by his employer, he may —
(a)pay the amount in cash at the Board’s main office or at any post office in Singapore duly authorised to receive money on behalf of the Board; or
(b)send the amount to the Board’s office by postal order, money order or by cheque drawn on any bank in Singapore or by such other means as the Board may direct, together with a written statement giving his full name and identity card number or his membership certificate number, as the case may be.