§ Tax

Certificate of tax residency

also called tax residency certificate · TRC · certificate of fiscal residence

An official document from a tax authority confirming you are tax resident there for a given period.

Certificate of insuranceDouble taxationDouble taxation treatyTotalization agreementCertificate of tax residency
Solid lines are terms people actually mix up with Certificate of tax residency. The rest sit in the same subject, not being taxed twice. Certificate of insurance · Double taxation · Double taxation treaty · Totalization agreement

Right, in plain English

This is an official letter from a tax office confirming that, for a certain period, you count as a tax resident there. It is not the same as a certificate of coverage, which is about social security; this one is purely about where you are taxed. You usually need it to prove to another country that a treaty applies, so they charge you less, or nothing, on income from their side.

A client's country wants to hold back a chunk of your fee as withholding tax. To claim the lower treaty rate, they ask you to prove you are taxed somewhere else, and this certificate from your own tax authority is the piece of paper that unlocks the reduction.

Why it matters

It's often required to claim treaty benefits or reduced withholding tax abroad.

Not being taxed twice · 4 terms

Double taxation is being charged by two countries on the same income, and a double taxation treaty is the agreement that divides the taxing rights so you get relief, which a certificate of tax residency is the proof you claim it with.
A totalization agreement does the parallel job for social security so you do not pay contributions in both countries, and a certificate of coverage proves which country you are paying into.

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