T4 Boxes

This table lists the boxes on the T4 form for which the system calculates the amount:

Box	Contents	Tax Type
14	Taxable gross	CA
16	CPP withheld	CB
17	QPP withheld	CG
18	Employment insurance withheld	CC
20	RPP Deduction amount	Special handling code
22	Income Tax withheld	CA
24	Insurable earnings	CC
26	Pensionable earnings	CB or CG
55	Employee PPIP Premiums	CJ
56	PPIP Insurable Earnings	Gross – Tax – Deductions
45	Employer-offered dental benefits	Special handling code

The amount in Box 14 (employment income) includes the amounts in boxes 24, 26, 30, 32, 34, 36, 38, 40, and 42. The amounts in these boxes come from PDBAs that are defined through special handling.

The amount in Box 52 (pension adjustment) is entered through Pension Maintenance.

The amount in Box 73 (number of days outside of Canada) is entered through adjustments.

Box 26, CPP/QPP pensionable earnings must be completed on the T4 slip at all times, starting January 1, 2023, for the 2023 taxation year.

Box 24, EI insurable earnings must be completed on the T4 slip at all times, starting January 1, 2023, for the 2023 taxation year.

Volunteer Firefighters payment is exempt up to CAD 1,000. Report this by using code 87 in the "Other information" area of the T4 slip.