I've taken on a job for 2 weeks in the evenings and weekend, I already work full time. Any ideas how I go about this in regards to making sure I don't pay too much tax? My full time employers need not do anything if I'm right?
Quick question.... do I have to do anything with the P45 they sent me? Bearing in mind my full time job do not know I had an xmas temp job (I don't need to tell them)
All you need to do is keep it safely as a record of your income for the curent tax year.
You don't have to notify anyone about the part time job. The part time employer will have notified HMRC that you have left by submitting their copy (now electronic) of the P45 they gave you.