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Voluntary agreement calculatorWhat you can do with this calculator
The voluntary agreement calculator is for workers, such as subcontractors, who are subject to a voluntary agreement. The rate of withholding is either the payee's Commissioner's instalment rate or a flat rate of 20%.
It will take between 1 and 2 minutes to use this calculator. The results of this calculator are based on the information you provide.
What else you can do
Find out more about payments under a voluntary agreement, including how much to withhold and examples.
Work out how much to withhold from payments made to workers who are subject to a voluntary agreement.