I manage rent for a non-resident owner, do I file the NR4?
Yes, on the payer side. Form NR4 is the slip reporting amounts paid or credited to a non-resident and the Canadian tax withheld from them, and the people who file it are the Canadian payers: companies, funds, property managers and estates paying rent, dividends, interest, royalties or pensions abroad. A property manager collecting rent and remitting tax on behalf of a non-resident owner is squarely inside that description. The slip is your obligation, not the owner's, and the owner's own filing is a separate matter that the slip supports rather than replaces.
Do I still issue an NR4 if no tax was withheld under a treaty?
Generally yes. The slip reports the amount paid or credited as well as the tax withheld, so a payment on which withholding was reduced or nil is still a reportable payment. That is what the exemption coding on the slip is for. Leaving such a payment off the slips altogether tends to cause the recipient more trouble than the payer, because the codes are what allow a reduced rate or a refund to be claimed and what the recipient's home country looks to when deciding whether to give credit for Canadian tax.
I used the wrong income code on an NR4, how do I correct it?
With an amended slip. The codes are not something the recipient can argue around on their own return, because they carry the character of the payment and the basis on which tax was or was not withheld. A wrong code is therefore corrected at source by amending and reissuing, not by taking a position on a return. Doing it that way also means the recipient has a document that matches what they are claiming, which is the practical point of the exercise when a treaty rate or a refund turns on it.
Does an estate paying a non-resident beneficiary have to file NR4?
Estates are among the Canadian payers the slip applies to, alongside companies, funds and property managers. If an estate pays or credits a reportable amount to a beneficiary who is not resident in Canada, the estate reports it and reports the tax withheld from it. The coding matters more than usual here, because the beneficiary is often trying to establish in another country that Canadian tax has been paid on a particular kind of amount, and the slip is the document they will be asked to produce when they do.
Who files the NR4 when dividends go to a foreign shareholder?
The Canadian payer. A company paying or crediting dividends to a shareholder who is not resident in Canada reports the amount and the tax withheld on it, and the shareholder does not report the payment on the payer's behalf. This catches private companies with an owner who has moved abroad quite often, because nothing about the payment itself changes when the shareholder's residence does. The withholding and the reporting do, and the codes on the slip then determine what the shareholder can claim where they now live.
Will my non-resident payee get credit at home for the Canadian tax?
That depends in large part on what the slip says. The income and exemption codes decide whether the recipient can claim a treaty rate or a refund in Canada, and they are also what the recipient's home country looks to when deciding whether to give credit for the Canadian tax withheld. So the coding is not administrative detail. Getting it right at the point of issue is what makes the recipient's claim capable of being supported, and getting it wrong is corrected by an amended slip.
How do I reduce withholding tax on a cross-border payment?
Before the payment, not after. Where a treaty gives a lower rate, the payer needs your residency declaration in hand to apply it; where the statutory rate would over-withhold on a gross amount, an advance application can authorise a reduced deduction on a net or estimated basis. Once the money has moved at the full rate, your remaining route is an elective return or a refund claim, which recovers the same cash far more slowly. See withholding refund and recovery.
What happens if two countries both say I am resident?
The treaty tie-breaker resolves it to one residence, applied in order: where your permanent home is, then your centre of vital interests, then your habitual abode, then nationality, with a competent-authority referral if all of those fail. It is an evidence exercise rather than an election — you document the home and the life around it. Getting a single residence settled is what makes every other position in both returns consistent. See the residency tie-breaker.