Currently, you should be using the 2016A version of webTOD. This version of webTOD is based on Canada Revenue Agency publication T4127 (E) Rev. 15 - Payroll Deductions Formulas for Computer Programs 100th Edition Effective for payrolls beginning January 1, 2016. CRA usually publishes updates for payroll deduction formulas twice a year, effective January 1 and July 1, and webTOD is updated accordingly. New versions of webTOD are usually published on our web site by the 15th of the month prior to the effective dates for changes to payroll deductions.
What version of webTOD should I use?
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