Section 89 Perpetual debentures.

A condition contained in any debentures or in any deed for securing any debentures, whether issued or executed before or after the commencement of this Act, shall not be 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, any rule of equity to the contrary notwithstanding.