What do I do if I was resident in India for an earlier year?
The residency tests are not themselves a filing, so there is nothing to lodge late about the tests. What is late is whatever depended on them: the return for that year, and any disclosure that a resident had to make and a non-resident did not. The order of work matters. Complete the day count first, for that year and for the earlier years the second test reaches back into, and record the determination in writing. Only then decide what has to be corrected, because a correction made before the count is finished usually has to be made twice.
Is there a penalty for getting my Indian residency status wrong?
The determination carries no filing of its own, so exposure attaches to the things that rested on it. A year filed as non resident that should have brought worldwide income into charge, a disclosure of foreign assets that a resident owed and never made, tax paid on the wrong base: those are where the consequence sits, and each is charged under its own rules rather than by reference to the status question. This is why a wrong determination can be expensive in a year with a small tax bill. The size of the error in the count tells you nothing about the size of what followed from it.
How many years back do I have to recount my days?
More than one, always. The second test works by pairing a shorter stay in the year with presence in India across preceding years, so a determination for a single year cannot be made without the years behind it. There is a second reason to widen the recount: once a year is corrected, the presence in that year feeds into the test for the years that follow it, so a single corrected year can change the status of later ones. In practice the count runs from the first year whose status is in doubt through to the current one, as one continuous schedule rather than a set of separate exercises.
Can I amend an Indian return I filed as a non-resident?
The route available depends on how far that year has already gone: whether a return was filed at all, whether it has been processed, and whether the department has already asked anything about it. What does not change is the sequence. Settle the day count, write down the determination and the documents it rests on, and then take the correction route that fits the year, so that the filing follows the determination rather than the other way round. Corrections offered without the count behind them tend to invite the question the count answers, and then have to be supported anyway.
The same discovery made my Canadian return late, what does CRA charge?
That penalty is charged on the Canadian return and is worked out on the balance owing there, not on the residency question that produced it. For the 2025 tax year it opens at five per cent of that balance and adds one per cent for every full month the return stays outstanding, stopping after twelve months. A higher scale exists but reaches a narrow case: CRA must have issued a demand to file and have charged a late filing penalty in one of the three previous tax years, and the figures then become ten per cent to open, two per cent a month, and a run of up to twenty months. Being late more than once is not by itself the trigger. The penalty is also static once charged, whereas interest on whatever is owed compounds every day it sits there.
Does a late residency finding change the following years too?
Usually, yes, and this is the part people do not expect. Presence in one year is an input to the second test for the years after it, so a year that changes from non resident to resident can change the status of the next years without a single day of travel being different. The other carry forward is disclosure. Obligations that attach to a resident, once they begin, tend to continue while the status does, so a corrected year often brings a run of later years into the same exercise rather than closing the matter.
Do I have to declare my dual citizenship?
A tax return does not generally ask you to declare which passports you hold; it asks about residence, and in the US case it applies to citizens by definition. What does ask is your bank. Account-opening self-certification under FATCA and the Common Reporting Standard asks which countries you are a tax resident or citizen of, and the answer is reported onward to the tax authority. So the practical answer is that the information arrives either way. See FATCA reporting.
Does my foreign spouse have to pay US tax?
Not unless something connects them to the US system: they are a citizen or green card holder, they meet the substantial presence test, they have US-source income, or you elect to treat them as a US resident so you can file jointly. That election is the one people make without weighing it, because it reaches their foreign salary, their foreign investments and their foreign accounts, not just their name on the form. See a US person with a non-resident spouse.
