WinRAS - Calculation of Source Deductions and Employer Contributions

Coronavirus (COVID-19)

Click Coronavirus Disease (COVID-19) to see whether the measures adopted by Revenu Québec apply to the information on this page.

Did you know?

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.

Important
WebRAS and WinRAS do not take into account the credit for contributions to the health services fund for employees on paid leave due to the COVID-19 pandemic. For information regarding the credit, refer to COVID-19: FAQ for Businesses.
Version for 2021
Versions for previous years
Purpose of the service

You can use WinRAS to calculate the following:

  • Source deductions of Québec income tax, contributions to the Québec Pension Plan, and Québec parental insurance plan premiums
  • Employer contributions to the Québec Pension Plan and the health services fund, as well as employer Québec parental insurance plan premiums
Users
  • Employers
  • Individuals in business
Conditions for use

Note that WinRAS will not run on a Macintosh operating system.

Important

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.

Downloading

To use this application:

  1. Download the WinRAS file.
  2. Follow the installation instructions.

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