Mackay v Jonsson

In *Mackay v Jonsson*, the Supreme Court of Queensland was asked to determine whether a party to a contract for the sale of land had validly terminated the agreement. The dispute arose after the purchaser, Mr Jonsson, failed to pay the deposit by the stipulated date. The vendor, Ms Mackay, subsequently issued a notice of termination.

The central legal issue before the Court was whether the failure to pay the deposit by the contractual due date constituted a repudiatory breach of the contract, thereby entitling Ms Mackay to terminate. The Court was required to consider the nature of the obligation to pay the deposit and the consequences of its late payment under the terms of the contract and general contract law principles.

The Court reasoned that the obligation to pay the deposit by the specified date was a condition of the contract. A failure to comply with a condition, particularly one that goes to the root of the contract, can amount to a repudiatory breach. His Honour Judge Coker found that the timely payment of the deposit was essential for the performance of the contract and that Mr Jonsson's failure to do so demonstrated an intention no longer to be bound by its terms. Accordingly, Ms Mackay was entitled to accept the repudiation and terminate the contract. The Court ordered that the contract be terminated and that Mr Jonsson forfeit his deposit.