s 95 Perpetual debentures
95. A condition in any debenture or in any deed for securing any debentures whether the debenture or deed is issued or made before or after 29 December 1967 is not invalid by reason only that the debentures are thereby made irredeemable or redeemable only on the happening of a contingency however remote or on the expiration of a period however long, despite any rule of law or equity to the contrary.