The IP Box relief (Innovation Box) is one of the most valuable tax incentives available to software developers running a sole proprietorship in Poland, allowing qualifying income from intellectual property rights to be taxed at just 5% instead of the standard 19% flat tax or progressive scale. To benefit from IP Box, a developer must demonstrate that their work constitutes research and development activity leading to the creation, development or improvement of a qualifying intellectual property right — which in practice covers a wide range of commercial software projects. The relief requires meticulous record-keeping: a separate ledger tracking R&D costs and revenues for each qualifying IP right must be maintained throughout the tax year, not assembled retroactively. This guide walks through the eligibility criteria, required documentation, and calculation method so you can assess whether IP Box is right for your situation.
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