Companies managing drivers in both the US and Canada need to account for important differences between the two systems. The IRS offers several tax-advantaged reimbursement paths, including Cents-Per-Mile (CPM) reimbursements at the standard mileage rate, FAVR, and accountable plans, each with its own testable conditions. The CRA’s primary criteria for tax-free vehicle reimbursement is whether the reimbursement is reasonable.
Reimbursement rules shape more than a tax filing — they touch payroll, compliance, and how consistent the driver experience feels across a workforce. For companies running employee driving programs in both countries, understanding the differences between IRS requirements and CRA guidance is important to structuring each program appropriately. Here’s what actually applies, and what it means for managing both programs well.
There’s no such thing as a “per-province rate”
A quick Google search for Canadian reimbursement rates often turns up a document listing different rates by province. It’s a common misread. That document is the rate the CRA reimburses its own employees, not a rate that applies to Canadian businesses generally. Companies operating in Canada don’t need to track separate provincial rates — there’s one prescribed per-kilometer rate, with an adjustment for living in the northern territories to account for road conditions and added wear on the vehicle.
“Reasonable” does a lot of work
A US FAVR program’s tax-advantaged status runs on defined, testable conditions like a minimum number of employees or a minimum annual business mileage. The CRA doesn’t work that way. It asks whether a reimbursement is reasonable, though it does offer guidance: mileage should reflect actual driving between work locations, records should be detailed, and the reimbursement shouldbe reasonable.
For cross-border employers, that means a reimbursement program designed around IRS requirements doesn’t automatically satisfy CRA expectations. A well-run program can align closely with CRA guidance. Whether a reimbursement is reasonable depends on the facts and circumstances and should align with CRA guidance — which is exactly why it helps to work from a program already built around both countries’ rules, rather than reconstructing one from scratch.
FAVR doesn’t cross the border the same way
A US FAVR program qualifies based on specific requirements, like a minimum driver count of 5 employees or minimum annual business mileage. Meeting those requirements is what makes its tax-advantaged status defensible. Canada doesn’t have a separate category for FAVR. Instead, a fixed-and variable reimbursement structure is evaluated based on whether the reimbursement is considered reasonable under CRA guidance. While companies can use a FAVR methodology in Canada, the CRA does not apply the same tax rules as the IRS. Instead, reimbursement taxability depends on whether the employer determines the reimbursement is reasonable under CRA guidance.
Cents-per-kilometer works differently than cents-per-mile
A cents-per-kilometer (CPK) program at the CRA prescribed mileage rate in Canada runs on a tiered rate: one rate for the first 5,000 kilometers driven in a year, a lower rate for everything after that threshold. US cents-per-mile (CPM) programs at the IRS standard mileage rate for business use is a flat rate. That means a Canadian driver’s reimbursement rate can shift partway through the year depending on how much they’ve driven — and a company running CPK still needs substantiated mileage logs, same as its US counterpart.
Car allowances are treated differently, too
A fixed monthly car allowance doesn’t get the partial tax treatment it can receive in a well-structured U.S. program. Unlike certain U.S. reimbursement approaches, a fixed car allowance in Canada is generally treated as taxable income. That’s a real cost difference worth walking through with any company used to how allowances work south of the border.
One program, two rulebooks
None of this means a US and Canada program need to run on separate systems, or that a company needs two different playbooks to manage them. It means the rules underneath each program are genuinely different, and a program built for IRS compliance won’t automatically hold up against CRA expectations without a second look.
Companies don’t need separate strategies for the US and Canada — they need a program built for the requirements of each market, managed as one employee driving program instead of two disconnected efforts That’s the benefit of managing both countries through a single employee driving program: accurate records, the right reimbursement methodology for each country, and one view across both, so finance, HR, and operations aren’t tracking reimbursement, vehicle spend, risk mitigation, and driver experience in different places for different borders.
Talk to a Motus expert about building that program for your cross-border driver population.
