Is a tax residency certificate enough to get the treaty rate in India?
No. India will not apply a treaty rate on the strength of a foreign certificate alone. The certificate comes from the treaty partner's own authority and covers the relevant period, but it carries only what that authority chooses to put on it, which is why India also asks for its own declaration supplying the particulars the certificate lacks. Both are needed before an Indian payer can safely deduct at the treaty rate. Presenting one without the other leaves the payer exposed, and an exposed payer deducts at the domestic rate and lets you reclaim the difference.
Can I file Form 10F without an Indian tax number?
The declaration is filed electronically, and the electronic filing runs against an Indian tax identifier. That is the ordering problem most non-residents meet. The treaty rate depends on the declaration, the declaration depends on the filing, and the filing depends on an identifier the person may never have needed before. So obtaining the identifier is the first task rather than an afterthought, and it should be started well ahead of the payment you are trying to protect. Until it exists the payer has nothing it can rely on, and will deduct at the domestic rate.
Which country issues my tax residency certificate?
The country you are claiming to be resident of under the treaty. Its own tax authority issues the certificate, not India. India's role is to decide whether to accept it, and to require its own declaration alongside. Two practical points follow. The certificate must cover the period the income arises in, not merely the date you asked for it, so a certificate for the wrong period supports nothing. And the particulars India wants, such as status, nationality, identifier, address and the period claimed, may not appear on the foreign form at all. That is exactly why the declaration exists.
What period should my residency certificate cover?
The period the income relates to. The certificate is evidence that you were resident in the treaty partner while the income arose, so one issued for a different year does not support the rate you are claiming on this payment. Where income runs across a year boundary you may need certificates covering both sides of it. Check the dates on the face of the certificate before sending it to an Indian payer, because the payer will check them too, and a mismatch sends the deduction straight back to the domestic rate.
Why does my Indian payer insist on Form 10F before paying?
Because the payer, not you, carries the risk of under-deducting. If it applies a treaty rate and cannot later show the documents that justified it, the shortfall is the payer's problem. So it will ask for the certificate from your own authority and the Indian declaration, and it will want both on file before the payment rather than after it. From your side the answer is to treat the paperwork as part of the payment timetable. Once money has gone out with domestic-rate tax deducted, the rate question becomes a refund claim on an Indian return.
Do I need to renew Form 10F every year?
Treat it as periodic rather than permanent. The declaration is tied to a period, and to the certificate that supports it, and that certificate states a period of its own. As those periods roll over, both documents need refreshing before the next payment cycle relies on them. The habit worth building is to check what the Indian payer holds before each year's payments begin, rather than discovering at the point of deduction that the documents on its file have gone stale and the treaty rate has quietly stopped being applied.
I work remotely from another country for a company back home — who taxes me?
Usually the country you are physically in, because employment income is generally sourced where the work is done, with your residence country taxing it as well if you are resident there and giving credit. Three things follow: your employer may acquire withholding and social security obligations where you sit, a treaty tie-breaker may be needed if both countries call you resident, and a short trip that becomes a long stay can cross a residence threshold nobody was watching. See remote workers and digital nomads.
How is foreign tax credit claimed in India?
By furnishing Form 67 with proof of the foreign tax — the certificate or statement from the other country's authority or payer — and by relieving the income under the specific DTAA article rather than generally. The credit is limited to the Indian tax on that income, and it is computed source by source rather than in one pool. The deadline for furnishing Form 67 has been amended more than once, so we confirm it for the year rather than assume. See foreign tax credit in India.