Leaving Newfoundland and Labrador for the US: Departure Tax, MCP, and the Offshore Corridor

Newfoundland and Labrador sends more people to the US per capita than its size suggests, and most of them come from three places: the offshore oil sector, which rotates workers through Houston and the Gulf; marine and ocean engineering, which feeds Boston and the Gulf Coast; and retirees choosing Florida over the winter. The province also carries the highest combined top marginal rate in Canada, roughly 54.8%, and a 15% HST, so the rate drop on any US move is the largest available.

Key takeaways

• NL's combined top rate of about 54.8% sets the departure tax. On a $300,000 unrealized gain, roughly $82,000.
• Offshore rotation workers often have a residency question before they have a departure question: rotating through the US can meet the substantial presence test without a move.
• MCP (Medical Care Plan) coverage ends when you leave the province permanently. Confirm the effective date and arrange US coverage.
• 15% HST becomes state and local sales tax between zero (Oregon, Montana) and roughly 8–9% (Texas, Florida cities).
• The RRSP is not deemed sold and stays tax-deferred under the treaty in any US state that follows the federal rules; Florida and Texas have no state income tax at all.

The NL departure

The deemed disposition on emigration applies to non-registered investments, private company shares, crypto, and property outside Canada, valued at fair market value on the departure date. NL real estate, RRSPs, TFSAs, and pensions are excluded. Report the gain on Form T1243, list holdings on Form T1161 if the total exceeds $25,000, and post security under Form T1244 to defer tax on illiquid assets.

At about 54.8%, NL's effective exit rate on gains at the top bracket is roughly 27 cents per dollar, the highest in the country. Loss harvesting before departure and choosing the departure month are worth more here than anywhere else in Canada.

NL-specific items:

• MCP. The Medical Care Plan covers residents of the province. Coverage ends on permanent departure; confirm the date with the Department of Health and Community Services.
• The St. John's home. Excluded from departure tax. If kept and rented, NR6 and Section 216 apply; if sold later as a non-resident, Section 116 clearance is required.
• Offshore employment income. Income earned on the Grand Banks before departure is Canadian-source. After departure, a non-resident working offshore Canada is still taxable in Canada on that income under the treaty's employment article, subject to the 183-day and employer-residence tests.

The rotation problem

Many NL offshore and marine workers do not "move" so much as accumulate US days: rotations through Houston, Gulf of Mexico projects, training in Louisiana. The IRS substantial presence test counts all days this year, one-third of last year's, and one-sixth of the year before. A worker on a 28-and-28 rotation to a US site can meet it without ever intending to become a US resident. If that describes you, the first question is whether you are already a US tax resident, and the second is whether the treaty tie-breaker keeps you Canadian.

The US side

Where you land determines the state layer:

• Texas (Houston, offshore support): no state income tax; sales tax around 8.25% in Houston; property tax high.
• Florida (retirees, Gulf Coast marine): no state income tax; 6–7.5% sales tax; homestead on a permanent residence.
• Massachusetts (Boston marine and ocean tech): 5% flat state tax plus a 4% surtax above roughly $1 million; RRSP deferral respected.
• Louisiana (Gulf marine): flat 3% state tax; local sales taxes stack high.

In every case the federal return is the same: dual-status in the arrival year, RRSP treaty deferral, FBAR on Canadian accounts, Form 8938 above thresholds.

Worked example

An offshore project engineer leaves St. John's on April 30 for a Houston-based operator with $150,000 of unrealized gain in a non-registered account, $400,000 in an RRSP, and a Mount Pearl home sold in the departure year.

• Departure tax. $150,000 gain, $75,000 taxable, at about 54.8%: roughly $41,000.
• Home. Sold as a resident under the principal residence exemption.
• RRSP. No tax on departure; periodic withdrawals later at 15% Canadian withholding, with a US foreign tax credit.
• Houston. No state income tax. HST 15% becomes sales tax about 8.25%.

Official sources

"When you leave Canada, you are considered to have sold certain types of property (even if you have not sold them) at their fair market value (FMV) and to have immediately reacquired them for the same amount. This is called a deemed disposition and you may have to report a capital gain (also known as departure tax)." — Canada Revenue Agency, Leaving Canada (emigrants), https://www.canada.ca/en/revenue-agency/services/tax/international-non-residents/individuals-leaving-entering-canada-non-residents/leaving-canada-emigrants.html

"You will be considered a United States resident for tax purposes if you meet the substantial presence test for the calendar year. To meet this test, you must be physically present in the United States (U.S.) on at least: 31 days during the current year, and 183 days during the 3-year period that includes the current year and the 2 years immediately before that." — Internal Revenue Service, Substantial Presence Test, https://www.irs.gov/individuals/international-taxpayers/substantial-presence-test

Newfoundland and Labrador's top personal income tax bracket: "21.8%" — "8th Tax Bracket over $1,141,275". — Government of Newfoundland and Labrador, Personal Income Tax, https://www.gov.nl.ca/fin/tax-programs-incentives/personal/personalincometax/

Practitioner note

NL files are the ones where we most often find a client who became a US tax resident two years before the move, through rotation days, and who therefore has two years of unfiled US returns and FBARs. The fix is usually the IRS streamlined procedure, and it is far cheaper than the penalties, but only if it is done before the IRS asks.

Next step

Fairlight prepares the NL departure return, the residency analysis for rotation workers, and the first-year US return. See cross-border pricing or book a call.