Spriggs v Commissioner of Taxation; Riddell v Commissioner of Taxation

The High Court of Australia considered appeals by Spriggs and Riddell against decisions of the Federal Court of Australia, which had upheld assessments made by the Commissioner of Taxation. The central dispute concerned the deductibility of expenses incurred by the taxpayers in relation to their participation in a tax avoidance scheme known as "Project Alpha." The Commissioner disallowed these deductions on the basis that the expenses were not incurred in gaining or producing assessable income, nor were they necessarily incurred in carrying on a business for the purpose of gaining or producing assessable income, pursuant to sections 8-1 and 165-35 of the *Income Tax Assessment Act 1997* (Cth).

The primary legal issues before the High Court were whether the expenses incurred by the taxpayers in relation to Project Alpha were deductible under section 8-1 of the *Income Tax Assessment Act 1997* (Cth), and whether the taxpayers had satisfied the requirements of section 165-35 of the *Income Tax Assessment Act 1997* (Cth) in relation to their losses. Specifically, the Court had to determine if the expenses were sufficiently connected to the taxpayers' assessable income or business activities, and if the scheme was entered into for the purpose of deriving a profit or gain, rather than solely for tax benefits.

The High Court held that the expenses were not deductible under section 8-1. Their Honours reasoned that the expenses were not incurred in the process of producing assessable income, but rather were incurred in an attempt to gain a tax advantage. The Court found that the scheme lacked a genuine commercial purpose and was primarily designed to generate tax losses. Consequently, the taxpayers failed to demonstrate that the expenses were necessarily incurred in carrying on a business for the purpose of gaining or producing assessable income. The appeals were dismissed.