National Insurance (NI)
Firstly ensure you have the right to work in the UK. Please check your visa and if you have any queries contact the International Student Support team at AskBU. You will also need to have either applied for a National Insurance Number (NINO) or already have one. You need a National Insurance Number if you intend to work, claim benefits or apply for a student loan
To apply for a National Insurance Number, or for further advice on what it is for please visit the gov. website.
You pay income tax on your income from paid employment. The tax is usually deducted from your salary, and how much you pay will depend on what you earn and any allowances you are eligible for.