Understanding tax and how it affects you can be complicated. These pages show you how to work out whether you need to pay income tax and how it's collected.

There's also information on what to do if you've paid too much tax or have other tax problems. And there are guides to council tax and inheritance tax.

Mae'r cynnwys hwn yn berthnasol i Gymru

Tax refunds - claiming back overpaid tax

Council tax

Inheritance tax

Document is a glossary of frequently used words and phrases used in tax information.

Income tax for people aged 65 and over including information on allowances, reliefs, rebates and which types of income are taxable.