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Publish your code and use open source to improve transparency, flexibility and accountability.

• Updated: 31 March 2021

Correct mistakes with pay and deductions including National Insurance (NI), amend errors in FPS payroll reports, correct payments to HMRC.

• Your PAYE bill is not what you expected

  Every month you have to pay HM Revenue and Customs (HMRC) what you owe as…

• You made a mistake in your FPS or EPS

  Your PAYE bill might be wrong if you made a mistake in your Full Payment…

• You paid HMRC the wrong amount

  What you need to do to correct a payment depends on whether you paid too…

• You paid your employee the wrong amount or made incorrect deductions

  You can correct a mistake with an employee’s pay or deductions by updating…

Find out how to report information to HMRC using the Automatic Exchange of Information (AEOI) if you are a financial institution.

• Updated: 23 October 2025

How main and supporting agents can help sole traders and landlords manage Making Tax Digital for Income Tax.

• Updated: 28 August 2025

Upper Tribunal Administrative Appeals Chamber decision by Judge Church on 13 October 2025.

• Updated: 5 November 2025

Guidance to help you assess if artificial intelligence (AI) is the right technology for your challenge.

• Updated: 10 June 2019

United Kingdom Security Vetting (UKSV) is the main UK government provider of national security clearances. This guidance is for the Sponsor role.

• Updated: 11 November 2024

A summary of the types of scientific advice available at the MHRA, the process for getting advice and the fees involved.

• Updated: 23 October 2025

How internet scams work and what to be aware of - misleading websites, report website fraud, suspicious communication and phishing, HMRC scams, immigration scams.

Sign in to your student loan repayment account - check your balance, make regular or one-off repayments, or let SLC know if your details have changed.