Previous-year T4127, Payroll Deductions Formulas for Computer Programs

2011

• Payroll Deductions Formulas for Computer Programs - 94th Edition - Effective July 1, 2011
• Payroll Deductions Formulas for Computer Programs - 93rd Edition - Effective January 1, 2011

2010

• Payroll Deductions Formulas for Computer Programs - 92nd Edition - Effective July 1, 2010
• Payroll Deductions Formulas for Computer Programs - 91th Edition - Effective January 1, 2010

2009

• Payroll Deductions Formulas for Computer Programs - 90th Edition - Effective July 1, 2009
• Payroll Deductions Formulas for Computer Programs - 89th Edition - Effective April 1, 2009
• Payroll Deductions Formulas for Computer Programs - 88th Edition - Effective January 1, 2009