If the estate of any person entitled to a benefit payable in terms of the rules of a registered fund (including an annuity purchased by the said fund from an insurer for that person) is sequestrated or surrendered, such benefit or any part thereof which became payable after the commencement of the Financial Institutions Amendment Act, 1976 (Act No. 101 of 1976), shall, subject to a pledge in accordance with section 19(5)(b)(i) and subject to the provisions of sections 37A(3) and 37D, not be deemed to form part of the assets in the insolvent estate of that person and may not in any way be attached or appropriated by the trustee in his insolvent estate or by his creditors, notwithstanding anything to the contrary in any law relating to insolvency.