What makes seafarers & mariners different from an ordinary filing?
Ships have their own treaty article, and it usually allocates crew income by reference to the enterprise operating the ship rather than the waters sailed. Days at sea are also treated differently from days in a country for most residency tests. An ordinary preparer applies the general rule and stops there, which is how the relief in the specific provision goes unclaimed.
Can you work with my existing accountant?
That is how most of these engagements run. They keep the domestic file, we take the cross-border piece, and the boundary is agreed in writing so nothing is done twice or missed.
Is my pay taxed where the ship is registered?
Registration is the first thing crew are told matters and it is rarely the thing that decides it. The shipping article in most treaties allocates crew pay by reference to the enterprise that operates the vessel, not the flag on the stern and not the waters the ship happened to be in. So a seafarer on a vessel registered in one place, operated from another and manned from a third can find the taxing right sits with none of the obvious candidates. The relief people miss usually follows from reading that article properly and then evidencing who actually operates the ship.
Do days at sea count as days in a country?
For most residency tests, no, and that cuts both ways. Time in international waters is generally not time spent in any country, so a seafarer can fail to become resident in the place they work while remaining resident at home, where the family and the house are. Crew often assume long absences alone break home residency. They usually do not. The relief that follows is not a day count but the treaty position: establishing where the operating enterprise sits, then claiming the credit or the exemption that flows from it. Keep the sign-on and sign-off record, because the whole position rests on it.
Can I claim relief if my employer is not in my home country?
Usually yes, and this is where most unclaimed relief sits. Crew paid by an employer incorporated abroad often conclude that nothing in their home system applies to them, file nothing, and lose the credit for tax already deducted elsewhere. The claim is made in the return, not by the employer, and it needs three things: the contract naming the operator, the deduction record, and a statement of the periods served. Where deductions were taken in a place with no taxing right under the shipping article, the route is a repayment claim in that country rather than a credit at home. Establishing which of the two applies is the work.
What relief do cruise ship crew usually miss?
Two things. The first is tax withheld by a manning agent in a country that, under the shipping article, had no right to tax the pay at all. That is a repayment claim where the deduction was taken, not a credit at home, and the two are not interchangeable. The second is pay for leave and training ashore, which is often allocated differently from sea-time pay and is routinely swept into one payroll figure. Separating the two changes the allocation. Neither claim is automatic, and both depend on records the crew member holds and the operator does not send out.
I am paid in a foreign currency, does that affect my claim?
Currency does not change which country may tax the income, but it changes the arithmetic, and it is a common reason a claim is reduced or refused. Pay converted at the wrong point, or on a basis the tax authority does not accept, produces a figure that will not tie back to the payroll record, and a credit claim that does not tie is queried. The same applies to the tax deducted abroad: the credit is computed on the converted amount, and the conversion has to be consistent across both sides of the return. Fix the method first and the claim follows.
Can I still claim relief for earlier years I never filed?
Often, yes. Unfiled years are the largest single source of unclaimed relief in crew files, because a seafarer who believed nothing was due filed nothing, and the tax deducted at source simply stayed where it was. The route depends on the country and on whether the failure to file was innocent. Some years can be filed late as ordinary returns; others need a disclosure before any relief can be claimed. What does not change is the order of work. Settle the treaty position for each year first, because that is what decides whether the claim is a credit at home or a repayment abroad.
Is double taxation legal?
Yes. Nothing prevents two countries from taxing the same income under their own domestic law — each is exercising its own jurisdiction. What treaties and credit systems do is relieve the outcome rather than prohibit the charge, and relief is generally something you must claim on a return or a form, not something applied automatically. Miss the claim and the double charge stands. Double taxation explains the mechanism.
Is "fund transfer pricing" the same thing as transfer pricing?
No — and if you came here to calculate FTP, this is not it. Fund transfer pricing is a bank's internal allocation of funding costs and benefits between its own business units, a treasury and asset-liability management discipline used to measure branch or product profitability. Tax transfer pricing is about prices between legally separate related parties across borders, and about which country taxes the resulting profit. The words overlap; the fields do not. See our transfer pricing work.
