Section 570 of The Companies Act No. 17 of 2015: Perpetual debentures
(1) A condition contained in debentures, or in a deed for securing debentures,is not invalid only because the debentures are made—
(a) irredeemable; or
(b) redeemable only—
(i) on the happening of a contingency, however remote; or (ii) at the end of a period, however long.
(2) Subsection (1)...