Commissioner of Taxation v Jayasinghe

The Commissioner of Taxation appealed to the Full Federal Court against a decision of the Administrative Appeals Tribunal (AAT) which had allowed an objection by Mr. Jayasinghe against an assessment of income tax. The dispute concerned whether certain payments made by Mr. Jayasinghe to his former spouse, pursuant to a binding financial agreement, were deductible as expenses incurred in gaining or producing assessable income under section 8-1 of the *Income Tax Assessment Act 1997* (Cth).

The Full Federal Court was required to determine whether the AAT had erred in law by finding that the payments made by Mr. Jayasinghe were deductible. Specifically, the court considered whether the payments were made for the purpose of gaining or producing assessable income, or whether they were of a capital, private or domestic nature. The central question was whether the payments were sufficiently connected to Mr. Jayasinghe's income-producing activities, or if they were primarily related to the dissolution of his marriage and the consequent private obligations arising from that event.

Bell and Gageler JJ held that the AAT had erred in law. Their Honours reasoned that the payments were made in discharge of Mr. Jayasinghe's private obligations arising from his marital relationship and its dissolution, rather than for the purpose of gaining or producing his assessable income. The binding financial agreement, while legally binding, did not alter the fundamental character of the payments as being of a private and domestic nature. The court applied the principles established in cases such as *Lodge v Federal Commissioner of Taxation* and *Federal Commissioner of Taxation v Smith*, which distinguish between expenses incurred in the course of earning income and those incurred in fulfilling private or domestic responsibilities. The connection between the payments and Mr. Jayasinghe's income-producing activities was found to be too remote.

The appeal was allowed, and the decision of the Administrative Appeals Tribunal was set aside. The matter was remitted to the AAT for redetermination in accordance with the judgment of the Full Federal Court.