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CRA Mileage Logbook 2026

CRA requires a mileage logbook.
SnapBooks has one built in.

To claim vehicle expenses on T2125, CRA requires you to keep a contemporaneous logbook recording every business trip. SnapBooks makes this easy - log trips in seconds and let the app calculate your T2125 vehicle deduction automatically.

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What CRA requires in your logbook

📅
Date of each trip
Every business trip must be dated. SnapBooks auto-fills today's date.
📍
Origin and destination
Record where you drove from and to. e.g. Home, Brampton → Client office, Mississauga.
💼
Business purpose
Why was the trip business-related? e.g. Client meeting, site visit, supply pickup.
🔢
Kilometres driven
Total km for each trip. SnapBooks calculates your business-use percentage automatically.
🚗
Odometer readings
CRA recommends recording start and end of year odometer. SnapBooks tracks this in Vehicle Settings.

How SnapBooks calculates your vehicle deduction

CRA uses the actual expense method for self-employed T2125 filers - not the 73¢/km employee allowance rate.

Business-use % = Business KM logged / Total KM (odometer)
Vehicle costs = Insurance + Loan interest + Fuel receipts + Maintenance + Registration
Your deduction = Business-use % × Vehicle costs

Fuel and maintenance receipts are automatically included when you tag them as Vehicle - Fuel or Vehicle - Maintenance.

Common questions

Does CRA require a mileage logbook?
Yes. CRA requires a contemporaneous logbook to support any vehicle expense claim on T2125. "Contemporaneous" means recorded at the time of the trip, not reconstructed later. SnapBooks makes this easy with a quick trip entry form.
What is the CRA mileage rate for 2026?
The 73¢/km (first 5,000 km) and 67¢/km (after) rates are the CRA employee allowance - they apply to employees, not self-employed T2125 filers. Self-employed Canadians use the actual expense method: business-use % x total vehicle costs.
How long do I need to keep my logbook?
CRA requires you to keep vehicle logbooks and supporting documents for 6 years from the end of the last tax year they relate to. SnapBooks retains your data for the duration of your account.
Can I claim vehicle expenses without a logbook?
No. Without a contemporaneous logbook, CRA can deny your entire vehicle expense claim on audit. The logbook is mandatory, not optional.

Start your CRA-compliant logbook today

Free to start. KM logbook included on all plans.

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