Everything You Need to Know About P-45 Forms

What is a P45 form?
A P45 is an official HMRC document given to you when you leave a job. It contains details of your total earnings and the tax you’ve paid in the current tax year up to your leaving date.

Why do I need a P45?
Three main reasons:

1. It ensures your new employer deducts the right amount of income tax.
   
2. It helps you claim any overpaid tax.
   
3. It provides accurate tax records for benefits, pension contributions, or self-assessment.

How do I get my P45?
Your employer must give you a P45 after your employment ends. It’s typically provided electronically or in paper format. If you lose it, you cannot get a duplicate from HMRC, but your employer can provide a replacement copy.

What information is on a P45?

• Your personal details (name, NI number, tax code).
  
• Your pay and tax to date in the current tax year.
  
• Employer details and PAYE reference.
  
• Leaving date.

Who gets a P45?
Any employee who leaves a job, regardless of whether they start a new one or not.

When don’t I need a P45?
If you’re staying with the same employer or moving to a second job without leaving your first, you won’t get a P45 — you’ll complete a Starter Checklist instead for the new role.

When is a P45 form issued?
It must be given to you on or before your final payday.

Where do I submit my P45?
If you start a new job, give Parts 2 and 3 of your P45 to your new employer. If you’re claiming Jobseeker’s Allowance or other benefits, submit it to Jobcentre Plus.

How do I sign a P45 form online?
You don’t usually “sign” a P45 - it’s generated and signed off by your employer. If you receive a digital version, keep it safe and forward it to your new employer securely.

How long does an employer have to issue a P45 UK?
An employer must provide your P45 on or before your final payday after you leave your job. It can be issued in paper or electronic format.