| Box | Title |
| Box 14 | Employment income |
| Box 16 / 17 | Employee's CPP/ QPP contributions |
| Box 18 | Employee's EI premiums |
| Box 19 | Employer EI Premiums |
| Box 20 | RPP contributions |
| Box 22 | Income tax deducted |
| Box 24 / 26 | EI Insurable earnings CPP/QPP pensionable earnings |
| Box 27 | Employer CPP contributions |
| Box 28 | CPP/QPP, EI, or PPIP Exempt? |
| Box 30* | Board and lodging |
| Box 31 | Special work site |
| Box 32* | Travel in a prescribed zone |
| Box 33 | Medical travel assistance |
| Box 34* | Personal use of employer's automobile or motor vehicle |
| Box 36* | Interest free and low interest loans |
| Box 37 | Employee home relocation loan deduction |
| Box 38* | Security options benefits |
| Box 39 | Security options deduction - 110(1)(d) |
| Box 40* | Other taxable allowances and benefits |
| Box 41 | Security option deduction - 110(1)(d.1) |
| Box 42* | Employment commissions |
| Box 43 | Canadian forces personnel and police allowance |
| Box 44 | Union Dues |
Box 45 | Employer-offered dental Benefits *new for 2023 filing |
| Box 46 | Charitable donations |
| Box 50 | RPP or DPSP registration number |
| Box 52 | Pension adjustment |
| Box 53 | Deferred security option benefits |
| Box 55 | Provincial Parental Insurance Plan (PPIP) |
| Box 56 | PPIP Insurable Earnings |
| Box 66 | Eligible retiring allowances |
| Box 67 | Non-eligible retiring allowances |
| Box 68 | Status Indian (exempt income) - Eligible retiring allowances |
| Box 69 | Status Indian (exempt income) - Non-eligible retiring allowances |
| Box 70 | Municipal officer's expense allowance |
| Box 71 | Status Indian - Employment Exempt Income |
| Boxes 72 / 73 | Section 122.3 income (employment outside Canada) and the number of days outside Canada |
| Boxes 74 / 75 | Pre-1990 past-service RPP contributions |
| Box 77 | Workers' compensation benefits repaid to the employer |
| Box 78 | Fishers - Gross earnings |
| Box 79 | Fishers - Net partnership amount |
| Box 80 | Fishers – Share-person amount |
| Box 81 | Placement or employment agency workers |
| Box 82 | Taxi drivers and drivers of other passenger-carrying vehicles - Gross Income |
| Box 83 | Barbers or hairdressers - Gross Income |
| Box 84 | Public transit pass |
| Box 85 | Employee-paid premiums for private health services plans |
| Box 86* | Security options election |
| Box 87 | Emergency Services volunteer exempt amount |
| Box 88 | Status Indian - Self-Employment Exempt Income |