Medical lab and imaging cross-border tax: where the equipment came from matters

Buying the equipment: a currency question, mostly

Ultrasound, x-ray, and bone-density systems typically come from manufacturers such as GE, Siemens, Philips, and Hologic. Those systems are typically priced and invoiced in USD, even when purchased through a Canadian distributor. So a major capital purchase creates real exchange-rate exposure well before any tax question arises. Buying manufactured equipment from a US supplier is a purchase of goods rather than a payment for services performed in Canada. So it does not, on its own, trigger Regulation 105 withholding — the mechanism that applies specifically to services. Duty on qualifying medical equipment is often minimal or nil under the applicable tariff classification. GST is generally payable at import regardless. Because the equipment supports exempt OHIP-insured services, that import GST is typically not recoverable as an input tax credit. That's the same blocked-ITC reality covered on our tax services page for medical labs and imaging clinics.

Service contracts: where the technician stands is the whole question

Maintenance and repair contracts on imaging equipment are frequently held with the US manufacturer or its service arm. This is where the services-versus-goods line actually matters. A US-based technician who travels to your Ontario facility to service or calibrate equipment is performing a service in Canada. That puts the facility, as payer, on the hook for Regulation 105 withholding — 15% of the gross service fee. That's unless the technician's employer has obtained a waiver from CRA in advance. Remote diagnostics or software support delivered from the US without anyone physically entering Canada falls outside Reg 105 entirely. That's because the withholding rule turns on where the work is performed, not on the vendor's residence or invoicing currency.

A waiver application, filed with CRA well ahead of the work using Form R105, generally succeeds where the non-resident vendor has no other Canadian income. It also succeeds where any treaty exemption would ultimately eliminate their Canadian tax anyway. But the waiver has to be requested. Withholding is otherwise mechanical and does not care whether tax will ultimately be owed.

US radiologist reads: the distinction the industry gets wrong most often

Teleradiology arrangements are common: a US-based radiologist interprets studies transmitted electronically without ever setting foot in Canada. The tax analysis is genuinely different from an on-site contractor. Because Regulation 105 withholding attaches to services performed in Canada, a read performed entirely from a US workstation generally falls outside it. That's regardless of how the radiologist is paid or in what currency. That does not eliminate every US-side question for the radiologist personally. But it removes the Canadian withholding obligation that facilities most often assume applies to any payment leaving the country to a non-resident. The same non-resident radiologist working on-site during an occasional visit to your facility flips back into the withholding scenario above. So the practical answer depends on the actual working arrangement, not a blanket rule for "US radiologists".

What we will not sell you

A facility buying equipment from a US-owned distributor has a currency and cash-flow question, not a withholding engagement. The same is true if it's just running routine remote software updates. That belongs on our bookkeeping page for medical labs and imaging clinics. In several situations, the thread is real. That includes an on-site US service contract, a non-resident radiologist reading from inside Canada, a physician-owner with US-side filing obligations, or a facility considering a teleradiology arrangement. In each of those cases, it is worth doing properly and early. A waiver requested after payment is already made is far harder to resolve than one filed in advance. And a facility that has been under-withholding on an on-site service arrangement for years faces a larger, more disruptive correction than one caught at the outset. Our cross-border tax services page covers the full toolkit behind this work. It is worth a conversation before a new equipment lease or reading arrangement is signed, rather than after the first invoice arrives.