In our latest Tax. Simplified. podcast, Tax Senior Associate Siv Devakumar and Associate Lewis Currie consider the recent case law developments on the unallowable purpose rule.

The unallowable purpose rule is a statutory test which is part of the tax rules relating to corporate debt – it can apply to disallow interest deductions for a UK corporate taxpayer if it's party to the loan in question for a main tax avoidance purpose. Siv and Lewis discuss the recent case law developments in relation to this rule and explain why these could be significant for taxpayers