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.
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You can use WinRAS to calculate the following:
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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 2018 must be used with the 2018-10 version of the Guide to Filing the RL-1 Slip: Employment and Other Income (RL‑1.G-V), which contains instructions for deducting, remitting and reporting source deductions and employer contributions for 2018. The Ministère des Finances announced a new plan to reduce the health services fund contribution rate for 2018 in information bulletin 2018-7, published on August 15, 2018. Make sure you use the right version of WinRAS 2018 for the pay period for which you are doing your calculations.
Downloading
To use this application:
- Download the WinRAS file.
- Follow the installation instructions.