What is the employee’s tax code?

You can find an employee’s tax code on:

If the employee’s tax code ends in W1, M1 or X, it means they are on a week 1 or month 1 basis. This is also called a non-cumulative tax code.

It means tax is calculated based only on their current pay period, not the whole tax year.

A Scottish tax code starts with an ‘S’.

A Welsh tax code starts with a ‘C’.

Enter the employee’s tax code using capital letters and without spaces. For example, 1257L, S1257LX, C1257LW1.