All takeover contracts, and all acceptances that have not resulted in binding takeover contracts, for an off-market bid are void if:
(a) offers made under the bid have at any time been subject to a defeating condition; and
(b) the bidder has not declared the offers to be free from the condition within the period before the date applicable under subsection 630(1) or (2); and
(c) the condition has not been fulfilled at the end of the offer period.
A transfer of securities based on an acceptance or contract that is void under this section must not be registered.