- How tax is collected from your salary or pension
- What tax codes mean and how they are applied
- How underpaid tax is collected through PAYE
- How overpaid tax is refunded back to you
What's in this guide
Understand how Pay As You Earn works, and how income tax is collected from your salary in monthly instalments.
Tax codes tell your employer or pension provider how much tax they need to deduct from your pay. Find out what the numbers and letters mean.
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