12. Simultaneous Completion of Another Contract Between Seller and Buyer (eg. Swap of properties)
(a) This Contract is subject to and conditional upon the simultaneous completion of a contract between the Seller as Buyer and the Buyer as Seller for the property situated at xxxx and described as xxxx.
(b) Each party shall take all steps reasonably necessary to effect completion of the contract referred to in sub-clause (a) and in the event that one party is in default in respect of that contract that party shall be deemed to be in default of this Contract.
[Note: This clause must appear in both Contracts]