Application of 50% Tax-Deductible Costs to Income Earned from Creative Activity in the Area of Computer Programmes

Wojciech Dmoch2025-07-252025-07-2520182080-108410.7206/kp.2080-1084.255https://repozytorium.kozminski.edu.pl/handle/item/2037CC-BY-NC-ND-4.0tax deductible costspersonal income taxcreative activitycomputer programmestax deductible costspersonal income taxcreative activitycomputer programmesApplication of 50% Tax-Deductible Costs to Income Earned from Creative Activity in the Area of Computer Programmes – a Critical Review of New RegulationsApplication of 50% Tax-Deductible Costs to Income Earned from Creative Activity in the Area of Computer Programmes – a Critical Review of New RegulationsArticle