The Finance Act 2010 is a comprehensive fiscal statute that revises, repeals and introduces measures across income tax, income levy, corporation tax and capital gains tax and imposes new customs and excise charges. It requires a cost–benefit report on the tax expenditures it creates, tightens reliefs (including limits on health, rent‑a‑room, and certain home‑loan reliefs), reforms retirement and pension reporting, clarifies residency/domicile treatments and strengthens transfer pricing, dividend and foreign tax provisions together with new reporting obligations for share awards and unit trusts.

Chapters introduce carbon charges (mineral oil, natural gas, solid fuel), amend alcohol, tobacco and motor‑vehicle duties, modernise VAT (revised supply rules, margin/auction schemes and revised schedules), and alter stamp duty and capital acquisitions regimes. The Act enhances Revenue powers, information‑exchange and anti‑avoidance rules (including mandatory disclosure obligations), provides for a domicile levy, and updates administration and commencement provisions, many with retrospective effect to 2010.