Up until 11 May 1977 some married women or widows could opt to pay Class 1 National Insurance contributions (NICs) at a reduced rate and not to pay Class 2 NICs if self-employed.
Eligible women who applied at the time may still be able to pay Class 1 NICs at this reduced rate.
On this page:
In order to be able to pay reduced rate NICs, a female employee must give you a certificate of election issued by the National Insurance Contributions Office (NICO) - part of HM Revenue and Customs (HMRC).
There are three acceptable versions of the certificate of election:
However these are subject to the rules set out below.
You cannot accept either of these forms if one of the following applies:
You can accept form CF380A provided your employee has worked continuously for you since 5 April 1980 and they have paid, or are treated as having paid, reduced rate Class 1 NICs throughout that time.
If a woman is entitled to pay reduced rate NICs you need to start deducting NICs from her pay using the appropriate National Insurance category letter as described below:
If you keep your employee payroll records using commercial payroll software or HMRC’s free online P11 Calculator tool, you should select category letter B, E or G for the employee in the usual way.
If you update a paper form P11 using HMRC’s online NICs calculator, you should select category letter B, E or G on the calculator each time you need to work out reduced rate NIC deductions.
A set of Basic PAYE Tools is available to download straight to your compute. In addition to the P11 Calculator, the tools include:
Download Basic PAYE Tools from the Business Link website (Opens new window)
If you work out deductions manually using HMRC’s NICs tables, you should use table B, E or G for any employee entitled to pay reduced rate NICs.
Use HMRC’s online NICs calculator
Download National Insurance contributions Table B (PDF 299K)
If an employee tells you that she now wishes to pay NICs at the full rate you should:
The employee must return the certificate to NICO after completing part 1. If appropriate, she must also send a completed form CF9 (for married women) or CF9A (for widows).
A woman loses the right to pay reduced rate NICs if she:
Changing an employee's category letter is easy to do with HMRC’s online P11 Calculator - you simply amend the employee's NI category letter on her Employee Database record. Most third-party payroll software will allow you to change an employee's profile in a similar way. If using paper methods, select the appropriate category in the usual way.
Download a flowchart to help you work out which category letter to use (PDF 42K)
More about calculating NICs deductions if using paper methods