Return to Board of moneys withdrawn
21.—(1)  Subject to paragraph (2), all moneys withdrawn by a member under these Regulations together with any interest which would have accrued thereto if the withdrawal had not been made shall become due and payable to the Board on the occurrence of any of the following events:
(a)if the residential property or any interest therein is sold, transferred, assigned or otherwise disposed of by the member without the consent of the Board;
(b)if the residential property or any interest therein is sold, transferred, assigned or otherwise disposed of by any mortgagee or by any other person with or without the consent of the Board;
(c)if any mortgage or encumbrance is created over the residential property without the consent of the Board;
(d)if the member is adjudged a bankrupt;
(e)if the member has committed a breach of any of the terms and conditions imposed by the Board in connection with the withdrawal of moneys under these Regulations;
(f)if the residential property or any estate or interest therein is acquired under the Land Acquisition Act [Cap. 152] or any other written law.
(2)  Upon the happening of any of the events mentioned in paragraph (1) ( b ) or ( f ), the member shall only be required to repay to the Board the net proceeds arising from the sale or other disposition of the residential property by the mortgagee or by any other person, or the amount of any compensation received by the member under the Land Acquisition Act or under any other written law, as the case may be.
(3)  All such moneys and interest referred to in paragraph (1) shall cease to be payable to the Board on the death of the member or when the member is entitled to withdraw the sum standing to his credit in the Fund under section 15 of the Act.