Reduced National Insurance if contracted out of State Second Pension How your National Insurance contributions are affected if you contract out of the State Second Pension
Married women, widows and reduced National Insurance Rules for when you can pay reduced Class 1 contributions if an employee or not pay Class 2 contributions if self-employed
Giving up your right to pay reduced National Insurance If you're a married woman or widow with a 'reduced rate election' - points to consider when deciding whether to give up your entitlement