Canada–UK, UAE and Australia treaties: how much of this can I do myself?
Some of it, yes — and we will say so on the call if that is the honest answer. The parts that are worth paying for are the ones where a missed election, a missed deadline or an unverified threshold costs more than the fee: each agreement has its own residence article, its own withholding rates and its own carve-outs — and a jurisdiction with no income tax changes what a credit article can do.
What if I have already filed and got it wrong?
That is a common starting point. We re-derive the position, identify whether an amendment or a disclosure route is the right vehicle, and tell you which one preserves the relief that is still available. The order matters more than the speed.
How long will it take?
It depends on the documents rather than on us. Once the pack is complete most filings turn around inside a fortnight; anything that needs a certificate from a tax authority runs on that authority's timetable, which we tell you at the start rather than at the end.
Does the UAE having no income tax mean no treaty relief?
Not no treaty, but a different shape of problem. A credit article works by relieving tax paid in the other country, so where that country charges no personal income tax there is nothing to credit and the article has little to do. What the agreement still does is allocate the taxing right and settle residence, which is what matters when a person or a company says it has left Canada. So the questions move. They become whether residence genuinely changed and whether the other jurisdiction will certify it, rather than how much foreign tax can be claimed back.
Which treaty applies if I am resident in two of these countries?
Only one agreement is in play at a time, and it is the one between the two countries that are both taxing you. Each treaty has its own residence article and the tie-breaker tests are not worded identically, so an answer reached on one set of facts under one treaty does not carry across to another. Where a third country appears, because income is sourced somewhere neither of you is resident, you end up reading two agreements that were never written to speak to each other. Say at the outset which countries are actually involved, because that decides which text gets read.
Do UK and Australian withholding rates on dividends differ?
They can, and that is the point worth taking away rather than any particular figure. Each agreement sets its own rates by income type, often with a different rate depending on the size of the holding or the character of the recipient, and those rates have been amended over time. A rate that was correct for an earlier year may not be correct for this one. The method is therefore always the same: identify the income type, find the article in the version of the treaty in force for the year of payment, and read the rate off that text rather than from a summary of unknown vintage.
My employer moved me to Dubai, so am I still taxed by Canada?
That turns on residence rather than on where the salary is paid from. Canada taxes residents on worldwide income, so the question is whether you ceased to be resident, and that is decided on your ties rather than on a date on a boarding pass. Where the other jurisdiction charges no income tax there is no competing claim to point to and no foreign tax to credit, so the residence position has to stand on its own facts: housing, family, registrations and what you left behind. Gather that evidence at the time of the move, not when the question arrives years later.
How do I know I am reading the current version of a treaty?
Treaties are amended by protocols, and some have also been modified by a multilateral instrument, so the operative text for a given year is the original as changed by whatever was in force by then. The consolidated version you find first is not always the one that applies to the year you are filing. Check the date each change took effect for the type of income you have, because entry into force and entry into effect are different things and they can fall on different dates for withholding taxes and for other taxes under the same instrument.
Can the same capital gain be taxed in two of these countries?
Yes, and which country holds the primary right depends on what was sold and on the article in the particular agreement. Gains on immovable property usually sit with the country where the property is. Gains on shares are treated differently again, especially where the value of those shares derives from property in one of the countries. Because the three agreements do not word these carve-outs the same way, the same disposal can genuinely land in different places depending on which treaty governs it. Establish the article before the sale rather than after settlement, when the structure can no longer be changed.
Can I move my 401(k) or IRA into an RRSP?
In limited circumstances, and rarely without cost. Canada allows a transfer of certain US plan proceeds into an RRSP with additional room for that purpose, but the withdrawal is a taxable distribution on the US side first, with withholding and potentially an additional charge for taking it early. Whether the Canadian credit fully absorbs that US tax is the calculation that decides it. Often leaving the plan where it is and drawing later is the better answer. See RRSP against 401(k) and IRA.
What is a double tax treaty and what does it actually do?
It is an agreement between two countries that divides up the right to tax. Article by article it decides which country taxes employment income, dividends, interest, royalties, pensions, property and business profits — and where both may tax, it caps what the source country can withhold and tells the other to give credit. It also breaks residence ties and opens a government-to-government channel for disputes. What it never does is apply itself: a treaty position is claimed. See our treaty work.