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Changes to the myIR login screen are coming You will not be able to use myIR between 1pm Saturday 8 October and 8am Monday 10 October. This is so we can update our external authentication system. From Monday 10 October the myIR login page will have a new look and feel, but the login process will not change.

When you start your new job you'll need to:

  • have an IRD number
  • know your tax code.

Your tax code is what decides how much tax is deducted from your income. The tax code that you use depends on how many sources of income you have, and whether you have a student loan.

It's important that you use the right tax code or you'll pay too little or too much tax. This could mean you end up with a tax bill at the end of the year.

As an employee you'll complete a Tax code declaration - IR330 for your employer. This tells them what deductions to make from your pay, including any student loan.

Last updated: 14 Oct 2020
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