Insight

Dec 8, 2025

Mackisen

MONTREAL CPA FIRM NEAR YOU: ISSUING T4 AND RL-1 SLIPS

Introduction to T4 and RL-1 Slips
For Montreal employers, issuing T4 and RL-1 slips is a critical part of payroll compliance. T4 slips summarize an employee’s income and deductions for the year, including wages, CPP contributions, EI premiums, and income tax withheld. RL-1 slips serve a similar purpose for Revenu Québec reporting. Accurate preparation and timely distribution of these slips are essential to avoid CRA and Revenu Québec penalties, maintain employee trust, and support year-end tax filing. Montreal CPAs guide business owners through this complex process to ensure full compliance and accuracy.

Legal Obligations of Employers
All employers in Quebec are required by law to issue T4 and RL-1 slips for each employee at the end of the fiscal year. Montreal CPAs advise businesses on filing deadlines, including the last day of February following the calendar year. Failure to meet these obligations can result in penalties, interest, and potential audits. Professional guidance ensures that all employees receive accurate slips and that the business remains compliant with federal and provincial regulations.

Gathering Required Information
To prepare T4 and RL-1 slips, employers must collect comprehensive payroll information, including employee names, addresses, Social Insurance Numbers (SIN), total wages, taxable benefits, and amounts of deductions withheld. Montreal CPAs assist in verifying this information and organizing it within payroll and accounting systems. Proper preparation reduces errors and prevents reassessments or penalties from CRA and Revenu Québec.

Calculating Income and Deductions Accurately
Accurate calculation of wages, bonuses, taxable benefits, CPP contributions, EI premiums, and income tax is crucial for compliance. Montreal CPAs ensure these calculations are precise, factoring in any adjustments for mid-year hires, terminations, or special payments. Errors in calculations can lead to incorrect reporting, employee disputes, and potential penalties. Correctly calculated slips maintain credibility and financial accuracy.

Handling Benefits and Allowances
Many employees receive taxable benefits such as health insurance, vehicle allowances, or housing stipends. Montreal CPAs provide guidance on how to properly include these benefits on T4 and RL-1 slips and ensure compliance with CRA and Revenu Québec rules. Proper reporting ensures that employees can claim appropriate tax credits while the employer avoids misclassification or errors that may trigger audits.

Electronic vs Paper Filing
Employers have the option to file T4 and RL-1 slips electronically or by paper. Montreal CPAs advise businesses on selecting the most efficient method based on the number of employees, internal resources, and CRA/Revenu Québec requirements. Electronic filing is generally faster, reduces manual errors, and simplifies recordkeeping, while paper filing may be more suitable for smaller organizations. Professional guidance ensures filing meets all regulatory standards.

Year-End Reconciliation
Before issuing slips, businesses must reconcile total payroll amounts with year-end accounting records. Montreal CPAs assist with reconciling gross wages, deductions, and remittances to confirm accuracy. This step helps prevent discrepancies, ensures employee trust, and provides a solid foundation for year-end tax filing. Proper reconciliation also prepares businesses for potential audits.

Amendments and Corrections
Mistakes may occur during the preparation of T4 and RL-1 slips, necessitating amendments. Montreal CPAs guide employers through the process of filing corrected slips and adjusting payroll records. Timely corrections prevent penalties and ensure that employees’ personal tax filings are accurate, maintaining compliance and goodwill.

Audit Preparedness and Documentation
CRA and Revenu Québec may request supporting documentation for T4 and RL-1 slips during audits. Montreal CPAs advise businesses on maintaining detailed payroll records, including calculations, deductions, and receipts. Proper documentation ensures that the business can respond effectively to audits and demonstrate compliance with regulatory requirements.

Why Choose Mackisen
Mackisen provides Montreal employers with expert guidance in preparing, issuing, and filing T4 and RL-1 slips. Our CPA team ensures accurate calculations, timely submissions, and full compliance with CRA and Revenu Québec regulations. Choosing Mackisen guarantees professional support for payroll administration, year-end reconciliation, and audit preparedness, allowing business owners to focus on their operations with confidence.

All-in-One Accounting, Tax, Audit, Legal & Financing Solutions for Your Business

Are you ready to feel the difference?

Have questions or need expert accounting assistance? We're here to help.

Let’s Stay In Touch

Follow us on LinkedIn for updates, tips, and insights into the world of accounting.

Terms & conditionsPrivacy PolicyService PolicyCookie Policy

@ Copyright Mackisen Consultation Inc. 2010 – 2024. •  All Rights Reserved.

© 1990-2024. See Terms of Use for more information.

Mackisen refers to Mackisen Global Limited (“MGL”) and its global network of member firms and associated entities collectively constituting the “Mackisen organization.” MGL, alternatively known as “Mackisen Global,” operates as distinct and independent legal entities in conjunction with its member firms and related entities. These entities function autonomously, lacking the legal authority to obligate or bind each other in transactions with third parties. Each MGL member firm and its associated entity assumes exclusive legal accountability for its actions and oversights, explicitly disclaiming any responsibility or liability for other entities within the Mackisen Organization. It is of legal significance to underscore that MGL itself refrains from rendering services to clients.