- CRA: Payroll Deductions Formulas, 122nd Edition, effective January 1, 2026 (T4127-JAN) · Monitored
- CRA: Payroll Deductions Formulas, 123rd Edition, effective July 1, 2026 (T4127-JUL) · Monitored
- CRA: T4032 Payroll Deductions Tables, January 2026, step-by-step examples · Monitored
- Revenu Québec: Formulas to Calculate Source Deductions and Contributions (TP-1015.F-V, 2026) · Monitored
- Revenu Québec: Income Tax Rates · Monitored
Trust center
Canadian tax, CPP and EI 2026
5 of 5 monitored. Every link goes to the agency, not to a summary of it.