This happens. Your old boss forgets. Or they’re disorganized. Or they moved to Spain without telling you. Frustrating, right? You need that form for your new job.
First, ask nicely. Second, email them. Third, threaten them with HMRC. If they still don’t give it, you can use a “New Starter Checklist” form instead. It’s like the P45’s clumsy cousin, but it works.
A Little Secret About the P45
It comes in four parts. Yes, four. Part 1 goes to HMRC. Part 1A stays with your old employer. Part 2 and Part 3 go to your new employer. It’s a paperwork nightmare, honestly.
Most people just lose Part 2 and feel bad about it. Don’t be one of them. Staple it to your cat’s collar if you must. Just keep it safe.