4. Update payroll software
Follow your provider’s instructions to update your payroll software so it uses the latest rates and thresholds for Income Tax, National Insurance and student loan repayments.
Basic PAYE Tools
You must download and install Basic PAYE Tools again if you’re using a version before 14.2.14330.88. The version number displays in the bottom-left corner of the tool.
Versions 14.2.14330.88 and later of Basic PAYE Tools check for updates automatically, for example when the tax year changes or new rules come in.