Duty days, signing bonuses and the athlete's two-country tax file

Duty days decide where salary is taxed

League athletes are employees, and both countries tax the employment income earned on their soil by allocating salary over duty days — days you are required to perform services: training camp, regular-season and playoff games, practices, team meetings and travel days. A non-resident playing for a Canadian team pays Canadian tax on the Canada-duty-day share; a Canadian resident reports worldwide income and claims foreign tax credits for the US side. The audit defence is unglamorous: a day-by-day calendar log kept all season, because reconstructing 190-plus duty days in the following April never survives review cleanly.

Individual-sport athletes — golf, tennis, combat sports — sit under a different treaty article: prize and appearance income is taxable where the event happens once US gross receipts pass US$15,000 in the year, which is why a touring pro's file is a stack of event-by-event allocations rather than one employer slip.

The 15 percent signing-bonus cap, and where CRA attacks it

Article XVI(4) of the Canada-US treaty caps source-country tax on a signing bonus at 15 percent when the athlete is resident in the other country — the reason US-resident players signing with Canadian teams see bonus-heavy contract structures. The cap only protects an amount that is genuinely an inducement to sign. CRA's position, set out in a 2022 technical interpretation and now being fought over by NHL and NBA players, is that a bonus conditional on actually playing — reporting to camp, staying on the roster — is disguised salary taxed at full rates. The protection is won or lost in the contract drafting, before signature, not at filing time.

RCA planning: the Canadian team's equalizer

A Retirement Compensation Arrangement lets a Canadian team direct part of a large contract into a trusteed retirement plan instead of current salary. The contribution is not taxed in the athlete's hands now; half sits in a refundable tax account with CRA and returns as benefits are paid. The payoff comes after the career: an athlete who has become a non-resident of Canada by the time RCA benefits are paid faces flat Canadian withholding — far below the 53.53 percent top Ontario rate the same dollars would have met as salary. The plan only works if the numbers and the future residency are modelled honestly, which is exactly the discovery-call conversation.

Residency itself is the biggest single variable in an athlete's file, and it moves: a trade to a US team, a home kept in Ontario, a spouse and kids who stay behind — the treaty tiebreakers weigh all of it. Ceasing Canadian residency triggers departure tax, a deemed sale of most investment assets on the way out, so the exit year needs planning of its own. Timed well, a residency change and an RCA payout schedule work together; timed badly, they collide.

The filing stack

The stack is why athlete returns are a coordination exercise: a dozen or more state filings feeding a US federal return feeding a Canadian credit claim, all resting on one duty-day calendar. Endorsement income runs on its own rails — generally taxed where the promotional activity happens, and worth separating from playing salary in the contract paperwork.

Where this fits

Trades, arbitration awards and mid-season moves change the allocation and sometimes the residency answer, which is why we keep this file current through the season rather than rebuilding it every spring. The domestic side — instalments, agent fees, corporate questions for endorsement income — lives on our athlete tax services page, and the full Canada-US practice is at cross-border tax services. Boutique firm, fixed fees quoted after a discovery call.

Source: IRS — Taxation of nonresident aliens.