Learn / Guide

Understanding your T4

The boxes that matter for a straightforward employment return.

Updated and verified August 21, 2026

The practical idea

The boxes that matter for a straightforward employment return. The exact outcome depends on the applicable year, jurisdiction, and complete facts.

Use the number carefully

Beaver Ledger tools provide educational estimates. Official records and current government guidance remain authoritative for filing or financial decisions.

Explore the related calculator →