It gives the opportunity to identify the person in the tax office and verify tax and insurance payments made by his/her employer over all contribution years. Having NIN is necessary for the possibility of obtaining additional benefits from the state.
Not only self-employed persons and company directors should calculate their tax own liability. This shall be done also by people employed on a contract basis or working for agencies. They should verify the amounts paid to HMRC as sometimes tax deductions may be overpaid or underpaid.
Personal Tax Account on the HMRC’s website. Most official matters – including benefits- can be controlled via this webpage. In addition, the taxpayer can verify his/her employment status, the amount of national insurance contributions paid, control the amount of taxes, change personal data and receive official correspondence from HMRC.