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Home / Support / FAQ / QPTL FAQ

General Information

This section provides answers to the most general questions about QPTL – what it is and what it does
QPTL is a library of Québec payroll tax calculations available for licensing to payroll application software developers. It can be used to calculate payroll tax deductions required by Revenu Québec on all types of employment income, including regular salary & wages, pension income, bonuses, retroactive pay increases and commission income. Revenu Québec payroll tax deductions include Québec Pension Plan (QPP) contributions, Québec Parental Insurance Program (QPIP) premiums, and Québec Income Tax withholdings.
 

Using QPTL

This section provides answers to questions about using QPTL

This will depend on which platform version of the QPTL library (Windows .NET DLL or Java) you are using and the programming language your payroll application is written in.

For Windows .NET languages such as Visual C++ and Visual C#, you will first add the QPTL.dll file as a reference to your project, and then you will be able to make direct calls to the public methods available in the QPTL class.

For the Java library, you will add the QPTL.jar file as an external library to your project, and then you will be able to make direct calls to the public methods available in the QPTL class.

QPTL mailing list

Users of QPTL can subscribe to the QPTL mailing list to keep up-to-date on all QPTL developments, including new versions, bug fixes, and important Revenu Québec announcements affecting payroll calculations. To subscribe to the mailing list, click here.
QPTL mailing list subscribers will receive emails informing them of each update to the QPTL product, including new year and mid-year updates corresponding to Revenu Québec's updated payroll deduction tables and calculation rules. Subscribers will also receive occasional emails with relevant news about Québec payroll deductions, including new legislation and Revenu Québec administrative policies. On occasion, we may also send out tips on using QPTL and provide answers to frequently asked questions which don't already appear on this page.