P45 is issued to an employee when he/she ceased working for a certain employer. This document shows the employee’s pay record and the tax deductions made for the current tax year.

The P60 form can also be used as proof of income if one wishes to apply for a loan, for tax claims and application of tax credits.

P11D form contains the expenses and tax benefits return. This details all the benefits or expenses a specific employer has paid to every employee earning more than £8,500 for the last tax year.