Inland Revenue (IRD) has published Technical Decision Summary TDS 26/12, providing guidance on whether commercial buildings and fit-outs are treated as trading stock or capital assets for tax incentives such as Investment Boost. 💡The Core Difference: Intent Matters Whether your commercial property or fit-out qualifies for tax depreciation and investment incentives depends heavily on your underlying intention: Build-to-Sell (Property Developers): Categorized as Trading Stock.