WebRAS – 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.

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Important
WebRAS does 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 Employers.
Note

WinRAS has been withdrawn. WebRAS is now the tool to use to calculate source deductions and employer contributions.

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To use the tool

WebRAS 2019, 2020 and 2021

WebRAS must be used with the Guide for Employers: Source Deductions and Contributions (TP-1015.G-V). The guide contains information about how to make  source deductions and how to remit and report source deductions and employer contributions.

Access tool

Purpose of the tool

Use WebRAS to calculate:

  • Source deductions of:
    • Québec income tax
    • Québec Pension Plan contributions
    • Québec parental insurance plan premiums
  • Employer contributions for the:
    • Québec Pension Plan
    • Québec parental insurance plan
    • Health services fund
Users
  • Employers
  • Individuals in businesss
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. 

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