Forms NR73 and NR74: Whether to Ask the CRA to Rule on Your Residency, and Why Most Advisors Say Don't

Short version: Factual Residency in Canada: The Residential Ties Test

The residency-determination forms look like a service — ask the CRA, get an answer — and they are used far less often than the emigrant's anxiety suggests they should be. What the forms are: Form NR73, Determination of Residency Status (Leaving Canada), and Form NR74, Determination of Residency Status (Entering Canada), are questionnaires — residential ties (home, spouse, dependants, personal property, social and economic ties, provincial health coverage, driver's licence, memberships), the dates and circumstances of the move, the ties in the other country, and the individual's own view — submitted to the CRA's International Tax Services Office, which replies with a letter stating its opinion of the individual's residency status and the date it changed. What the opinion is not: it is not a ruling, not binding on the CRA (the letter says so — the opinion is based on the facts provided and may be revisited if the facts differ or change), not required by any provision of the Act (residency is a question of fact determined on the ordinary tests, and the emigrant's departure return is filed on the emigrant's own determination), and not a defense in a later dispute beyond its evidentiary weight as the CRA's contemporaneous view. Why most advisors say don't: the questionnaire is comprehensive — it inventories every tie the CRA would use to argue continued residency, in the emigrant's own hand, and files it with the office that handles residency disputes; an emigrant with a clean departure (home sold, family moved, ties severed) gains nothing from the opinion they already know, and an emigrant with an ambiguous departure (the condo kept, a spouse staying behind, the health card retained) hands the CRA the facts that make the opinion unfavorable — and, if the emigrant then files as a non-resident anyway, has created the record for the reassessment; the form invites the CRA's attention to a file that would otherwise be reviewed only on the departure return's own disclosures; and the processing time (months) means the opinion often arrives after the departure return it was meant to inform has been filed. The exceptions where filing helps: an individual who genuinely cannot determine their own status after professional analysis (the rare balanced case where the ties are evenly split and the treaty tie-breaker doesn't resolve it) and who prefers the CRA's view before filing to a dispute after; an individual who needs a document — a Canadian payer that refuses to apply Part XIII withholding without evidence of non-residency, a provincial health plan that requires it for a coverage decision, a pension administrator, a foreign tax authority requesting confirmation of Canadian residency (the NR74 direction) — where the opinion letter serves as that document; an individual re-establishing residency after a period abroad whose start date is uncertain and matters (the arrival cost basis, the newcomer credit proration, the departure-tax unwind) and who wants the CRA's date; and a returnee or newcomer whose prior CRA correspondence is inconsistent and who wants the file reset. How residency is established without the forms: the emigrant files the departure-year return as a part-year resident with the departure date, the T1161 property list, the deemed-disposition schedule, and the NR73-style facts in the return's own disclosures (the date of departure on the return, the province of residence on December 31 as "non-resident"); notifies Canadian payers with the NR301 declaration (which asserts non-residency for treaty purposes and is, in practice, the document payers accept); cancels provincial health coverage; documents the ties severed and the ties established abroad in a departure memo kept in the file; and files consistently thereafter (section 216 or 217 returns as a non-resident where applicable, no worldwide-income return) — the pattern of conduct that establishes residency in fact and that a CRA review, if one comes, would be measured against. The newcomer's version mirrors it: the first Canadian return as a part-year resident from the arrival date, the ties established (home, family, health coverage, licence), and the newcomer's elections and proration — with the NR74 filed only where a document is needed or the date is genuinely disputed. The treaty note: for an emigrant to the US, the treaty tie-breaker (permanent home, center of vital interests, habitual abode, nationality) resolves dual residency where the domestic tests overlap, and it is applied on the returns (the Canadian departure return's position and the US return's Form 8833 where relevant), not through an NR73 — the CRA's opinion on a tie-breaker case would be a competent-authority matter, not a questionnaire result. The practical rule: file the departure or arrival return correctly, document the facts, and reserve the NR73 and NR74 for the cases where a document is required or the facts are genuinely balanced — because the form's main effect in the ordinary case is to volunteer an inventory the CRA would otherwise have to build itself.

Key takeaways

• Optional, non-binding, and slow: the forms request the CRA's opinion on residency; the opinion is based on the facts provided, is not a ruling, and often arrives after the return it was meant to inform.
• The questionnaire is an inventory of your ties, in your own hand, filed with the office that handles residency disputes — the reason most advisors recommend against filing for clean or ambiguous departures alike.
• File when a document is needed: a Canadian payer refusing to apply treaty withholding without proof, a provincial health plan, a pension administrator, or a foreign authority requesting confirmation — or when the facts are genuinely balanced and you'd rather know before filing than dispute after.
• Residency is established by conduct and the returns: the part-year departure return with the date, T1161, and deemed disposition; NR301s to payers; health coverage cancelled; a departure memo documenting the severed and established ties; consistent non-resident filing thereafter.
• Newcomers mirror it: the part-year return from arrival, ties established, elections and proration — with the NR74 reserved for disputed dates or required documents.
• Treaty tie-breakers are applied on the returns, not through the questionnaire — the Canadian departure position and the US Form 8833 where relevant.

The departure documentation that replaces the NR73

A departure memo, dated before the move: the departure date and its basis; each Canadian tie and how it was severed (home sold or leased at arm's length with the lease attached; family moved; health card cancelled; licence surrendered; memberships ended; accounts kept and why); each tie established in the US (home, licence, registrations, employment); the treaty tie-breaker analysis if any tie remains. The departure return filed consistently with the memo. The NR301s delivered. The memo sits in the file for the CRA review that usually never comes — and answers it in one exchange if it does. The NR73 would have said the same things, to the CRA, in advance, with nothing gained.

Worked example

Two emigrants to Texas. Emigrant one: house sold, family moved, OHIP cancelled, licence swapped, memberships ended — a clean departure. Her advisor's recommendation: no NR73; the departure return with the date and T1161, NR301s to her bank and broker, and a departure memo in the file. Her residency was never questioned. Emigrant two: kept a Toronto condo (rented to a cousin at below-market rent), his spouse stayed for a year to finish a contract, OHIP left active "in case." His advisor's recommendation: still no NR73 — the questionnaire would inventory exactly the three ties that make his status ambiguous and invite the unfavorable opinion; instead, the ties are fixed (the condo leased at arm's length with a written lease, OHIP cancelled, the spouse's departure date planned and documented) and the departure return filed on a date after the fixes, with a departure memo explaining each; the treaty tie-breaker analysis is recorded for the overlap year. The one case in the practice that year where an NR73 was filed: a retired teacher whose Canadian pension administrator refused to apply the treaty's 15% rate without a CRA letter, whose departure was clean, and who needed the document more than she needed to avoid the questionnaire — the opinion arrived four months later, the administrator applied 15%, and the letter went in her file as the evidence it was meant to be.

Official sources

The CRA explains that the opinion it gives on Form NR73 "is based entirely on the facts provided by the taxpayer to the CRA in Form NR73" and "is not binding on the CRA and may be subject to a more detailed review at a later date." — Canada Revenue Agency, Income Tax Folio S5-F1-C1, Determining an Individual's Residence Status, https://www.canada.ca/en/revenue-agency/services/tax/technical-information/income-tax/income-tax-folios-index/series-5-international-residency/folio-1-residency/income-tax-folio-s5-f1-c1-determining-individual-s-residence-status.html

The CRA lists the significant residential ties that determine residency status as "a home in Canada," "a spouse or common-law partner in Canada," and "dependants in Canada." — Canada Revenue Agency, Determining your residency status, https://www.canada.ca/en/revenue-agency/services/tax/international-non-residents/information-been-moved/determining-your-residency-status.html

Practitioner note

The NR73 is a form most emigrants think they should file and almost none should: it inventories every tie in the emigrant's own hand, files it with the residency-dispute office, and returns a non-binding opinion months after the departure return. Our practice replaces it with a departure memo and a correctly filed part-year return — and files the form only when a payer or plan demands a document, or when the facts are genuinely balanced and the client would rather know than dispute.

See also: For how to put US income on a Canadian T1, see how to put US income on a Canadian T1; and browse every cross-border tax topic guide, organized by situation.

Next step

Fairlight prepares the residency determination engagement — the departure or arrival memo documenting severed and established ties, the part-year return with its disclosures and elections, NR301 delivery, treaty tie-breaker analysis where needed, and the NR73/NR74 decision reserved for required documents or balanced facts. See cross-border pricing or book a call.