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Use this form to work out Income Tax, interest, penalties and Class 4 National Insurance contributions for tax years ending 5 April 2010 to 5 April 2023.
Find out which online gambling free games and bonuses you offer are liable to tax, and how to calculate your liability.
Find out about partial exemption and the methods and calculations to use to see how much input tax you can recover.
Accounting for VAT using retail schemes if you're a VAT-registered business and you cannot account for VAT using normal accounting.
Find out how to manually calculate Statutory Maternity Pay if your payroll software or the GOV.UK calculator does not work out your employee’s payments.
How to work out your transition profit for the 2023 to 2024 tax year if you are affected by the new tax year basis (Basis Period Reform).
Use supplementary pages SA110 to record the results of your tax calculation on your SA100 Tax Return.
Work out how much your school will need to contribute, and track information during the academic year 2022 to 2023 to add to your year-end statement.
How to work out National Insurance contributions if your employee has more than 1 job.
Find out what transactions to include in the amount you use to work out Stamp Duty Land Tax (SDLT).
Send HMRC your calculations and declaration if you owe Customs Duty on imported goods using form C&E1154.
Retailers can calculate the VAT they have to record in their account per day or week instead of for each sale
Calculate an employee’s maternity pay (SMP), paternity or adoption pay, relevant period and average weekly earnings
Information about in-year growth funding for 2023 to 2024.
How to create a Comma Separated Variables (CSV) file to request multiple Guaranteed Minimum Pension (GMP) calculations for pension scheme members.
Find out about the simplified rates of customs and excise duty used when you declare your personal goods online.
Find out how interest is calculated and applied if you have a Postgraduate Loan from England or Wales, as well as previous interest rates.
Check the availability and any issues affecting the Calculate your public service pension adjustment service.
You can reduce your Corporation Tax bill through Marginal Relief from 1 April 2023 if your company’s profits are lower than £250,000.
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