WinRAS - Calculation of Source Deductions and Employer Contributions
Using WebRAS is the easiest, quickest and most user-friendly way to enter all the information required for your calculations. For information on the differences between WebRAS and WinRAS, see WebRAS and WinRAS – Calculation of Source Deductions and Employer Contributions.
|Version for 2021||
|Versions for previous years|
|Purpose of the service||
You can use WinRAS to calculate the following:
|Conditions for use||
Note that WinRAS will not run on a Macintosh operating system.
Guide TP-1015.F-V contains the formulas for calculating source deductions of Québec income tax, Québec Pension Plan (QPP) contributions, Québec parental insurance plan (QPIP) premiums and the employer contribution to the health services fund. These formulas produce results that are more precise than those obtained by using WebRAS or WinRAS.
WinRAS 2019, 2020 and 2021 take into account the measures announced in the Budget Speech delivered on March 28, 2018, and in information bulletin 2018-7 published on August 15, 2018. They also take into account indexation for 2019, 2020 and 2021.
To use this application:
- Download the WinRAS file.
- Follow the installation instructions.