One of the mysteries of the English language finally explained.
In the U.K. and the Republic of Ireland: a certificate detailing an employee's gross pay, National Insurance contributions, and tax paid for the year, issued to the employee at the end of each financial year (more fully "P60 form", "P60 certificate").
1950s; earliest use found in Simon's Income Tax. From p- + sixty. The form is one of a series of numbered forms.
In this article we explore how to impress employers with a spot-on CV.