Tax reference
Detailed reference material for tax professionals and business owners. Rates, rules, deadlines, and tools — all sourced from CRA and provincial authorities.
For accountants and business owners
Tax credits reference
Every major federal tax credit — non-refundable and refundable — with 2026 amounts, eligibility, and how to claim.
CCA classes
Every capital cost allowance class — rates, methods, and examples. The complete reference for depreciating business assets.
Corporate tax rates
Combined federal + provincial corporate rates for all 13 provinces. General rate, small business rate, and key concepts.
Prescribed interest rates
The quarterly CRA rate used for spousal loans, shareholder loans, overdue taxes, and refund interest — with history back to 2020.
Quick reference for everyone
Historical tax brackets
Federal brackets, RRSP limits, TFSA room, and basic personal amounts for every year from 2018 to 2025.
Tax deadlines 2026
Every important filing and payment deadline — T1, T4, instalments, GST/HST, corporate — in one place.
Marginal tax rates
Combined federal + provincial marginal rates for all income types. The tables banks and advisors reference.
Key numbers
RRSP room, TFSA limit, CPP maximum, OAS clawback threshold — every dollar limit for 2026.
T4 generator
Prepare T4 slips for employees and download a CRA-ready XML file to upload to your Business Account.