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Find out about Ofqual's rules for the qualifications and assessments we regulate.

• Updated: 16 September 2025

Understand the letters and numbers in your employee's tax codes, know when to update someone's tax code

• Overview

  You put an employee’s tax code into your payroll software to work out how…

• What the numbers mean

  The numbers in an employee’s tax code show how much tax-free income they…

• What the letters mean

  Letters in an employee’s tax code refer to their situation and how it…

• Changes during the tax year

  Usually someone’s tax code changes if their tax-free income (Personal…

• Updating for the new tax year

  HM Revenue and Customs (HMRC) will tell you between January and March…

This page explains what freedom of religion or belief (FoRB) is and why it matters to people around the world.

• Updated: 12 May 2022

How to use a contextual inquiry when developing your digital health product.

• Updated: 19 October 2021

This guidance covers how to run your API as a service, including building the team you will need and the lifecycle of your API

• Updated: 17 December 2020

Current research and findings relating to the Culture and Heritage Capital programme.

• Updated: 5 August 2025

Bringing people to the forefront of the Department for Transport's policies to ensure transport systems work for everyone.

• Updated: 18 July 2023

Understand your Self Assessment tax bill - your tax calculation, statement, balancing payments, payments on account.

How to protect your employment business, and the workers you supply, from non-compliant businesses in your supply chain.

• Updated: 17 September 2025

The Resilience Capabilities Programme aims to increase the capability to respond to and recover from civil emergencies and provides advice on preparing for a crisis.

• Updated: 30 May 2018