We decode the P45, telling you what you need to know and what information it features.

You will receive a P45 from your employer when you stop working for them. The document shows a record of pay (as a total amount) during your period of employment to date and will display the amount of tax you have paid in the tax year.

The P45 also shows:

  • tax code and PAYE reference
  • your National insurance number
  • your full name (inc middle names)
  • leaving date

It’s worth noting that a P45 consists of four parts – Part 1, 1A, 2 and 3. Part 1 of your P45 is now electronically sent to HMRC by your employer who should then give you the three remaining parts. Once you begin a new job you will pass Parts 2 and 3 to your new employer, while Part 1A should be kept by you for your records. If you do not receive your P45 when you stop working for your employer, ask for it – you’re entitled to it by law.