1. Canada Revenue Agency. (2023). T4001 Employers' Guide - Payroll Deductions and Remittances. Chapter 3, "Remitting deductions". The guide states, "You have to remit the Canada Pension Plan (CPP) contributions, the employment insurance (EI) premiums, and income tax deducted from your employees' income, along with your share of CPP contributions and EI premiums."
2. National Payroll Institute. (2023). Payroll Compliance Legislation. Chapter 3: "Calculating and Remitting Payroll Deductions". This chapter defines a remittance as the sum of employee source deductions and the employer's share of statutory contributions that must be sent to the CRA by a specified due date.