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Money, tax and benefits
National Insurance
Introduction to National Insurance
Overview - What National Insurance is, including rates, how benefits and credits are linked and applying for a National Insurance number
Voluntary contributions and topping up
What voluntary contributions are, how to find out if you’ve gaps in your contributions, when and how to top them up and keeping up to date if you live abroad
Paying reduced rate National Insurance
How contributions are affected if you've contracted out of the second State Pension and rules for reduced National Insurance for married women and widows
Refunds, complaints and reporting changes
How to claim if you've overpaid, time limits for claiming, what to do if you want to appeal against an HMRC decision, changes you need to report and how to report them
Additional links
Changes to National Insurance number cards
From October 2011 National Insurance cards are being replaced with National Insurance number notification letters
