The Finance Act 2002 introduces several amendments to taxation laws, significantly altering provisions related to income tax, corporation tax, and capital gains tax. Key adjustments include revisions to personal tax credits, modifications to relief for health expenses, and updates on tax treatment for retirement and certain deductions. Furthermore, new frameworks for tonnage tax are introduced, which govern the taxation of companies in maritime activities, detailing the computation of profits and loss relief implications.

In addition to changes in taxation structures, the Act also implements enhanced regulations for excise duties on betting, tobacco products, and mineral oils. Importantly, the provisions emphasise compliance measures, necessitating tax clearance certificates for various permits and licenses. Collectively, these modifications aim to streamline the tax system while ensuring appropriate revenue collection and maintenance of regulatory standards.