Form P45P45
What a UK employer gives you when you leave a job.
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About Form P45
Who fills it in
Your employer gives you a P45 when you leave a job. It shows your leaving date, your total pay and tax from 6 April to that date, your tax code and your National Insurance number.
Where it goes
Give it to your new employer when you start your next job, or to Jobcentre Plus if you are claiming taxable benefits. With a paper P45, give your new employer Parts 2 and 3 and keep Part 1A.
Watch out for
- A lost P45 can’t be replaced. Fill in the starter checklist for your new employer instead.
- Without a P45 you might pay the wrong amount of tax at a new job, so ask your old employer for one if it hasn’t arrived.
Read from the agency’s pages on October 8, 2026: GOV.UK — P45
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Related documents
All forms- Form P60P60Your UK end-of-year summary of pay and tax paid, given by your employer after each tax year ends.
- Starter ChecklistReplaces the P45 when you start a UK job without one.
- Form SA102SA102The employment pages of a Self Assessment return — one set per job.
- Form SC3SC3Claims statutory paternity pay and leave when becoming a birth parent.
- Form CF411ACF411AClaims National Insurance credits for a parent or carer, protecting the state pension record.
- Form SA100SA100The UK Self Assessment tax return for the self-employed, landlords and anyone with untaxed income.