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Your tax bill, payments, deadlines, corrections and refunds

Understanding and checking your tax calculation Your Self Assessment tax calculation explained, why it's important to check it and get in touch if you think it is wrong.

Understanding your Self Assessment Statement Your Self Assessment Statement explained, how to check the figures and change payments on account.

How to pay your tax Paying your tax online, by telephone banking or other methods.

Tax return deadlines and penalties The key deadlines for sending in your tax return and paying any tax due, automatic penalties and interest payable if you're late.

Correcting your tax return and claiming any refund How to correct mistakes or make changes to your tax return, get a refund or pay any extra tax due

What to do if you can't pay your tax bill Who to contact if you can't pay your tax bill on time and how to make arrangements to pay by instalments or pay late.