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IRS Form 6166 · Estonia

IRS Form 6166 Apostille for Estonia

Route, timeline, translation and price for using a IRS Form 6166 in Estonia — based on the official Hague Convention status table.

Quick answer

Estonia accepts a U.S. apostille. Your IRS Form 6166 needs one apostille from the U.S. Department of State — 10–12 business days with us. Certified Estonian translation required.

Route
Apostille — one step
Hague member since
30 September 2001
Issuing authority
Internal Revenue Service
Translation
Certified Estonian translation required.

Is Estonia a Hague Convention country?

Yes. The Apostille Convention has been in force for Estonia since 30 September 2001, and for the United States since 15 October 1981 — so a U.S. apostille is accepted in Estonia with no embassy step.

The route to Estonia

A IRS Form 6166 is issued by Internal Revenue Service, a federal authority, so it is authenticated by the U.S. Department of State in Washington, D.C. — never by a state office. For Estonia, that apostille is the finish line.

People most often send documents to Estonia for e-residency, citizenship by descent. Receiving offices set their own requirements, so confirm what yours asks for — we’ll help you read it.

About the IRS Form 6166

How to apostille IRS Form 6166, the U.S.

You obtain this from Internal Revenue Service. We can’t request it on your behalf, but once you have it, we handle everything through to delivery in Estonia.

You need Form 8802 first. Form 6166 is issued only after you file IRS Form 8802, which carries a user fee and commonly takes six weeks or more. The 6166 is also year-specific, so confirm which tax year the destination requires.

Timeline and price

StageTimeNotes
U.S. Department of State apostille10–12 business daysHand-delivered in Washington, D.C.
Certified translationAlongsideOrdered with the authentication so nothing waits in sequence
Return shipping1–3 days in the U.S.Tracked courier; worldwide delivery available

Price: $299 per document, government fees and U.S. shipping included.

Translation for Estonia

Certified Estonian translation required. We coordinate certified translation alongside the authentication so the document arrives ready to file.

How it works

  1. Confirm the route

    Tell us you’re sending a IRS Form 6166 to Estonia. We confirm route, price and timing before any payment.

  2. Get the document to us

    Ship it to our processing office, or to any of our U.S. offices and we route it internally.

  3. Pre-submission review

    We check it against authentication requirements to catch the problems that cause rejections.

  4. Department of State

    Hand-delivered to the Office of Authentications in Washington, D.C.

  5. Certified translation

    Arranged alongside so it arrives ready to file in Estonia.

  6. Delivery

    Returned to you by tracked courier, or sent directly to your recipient in Estonia.

Sources: HCCH — Apostille Convention status table (updated 30 June 2026) · U.S. Department of State — Authenticate Your Document.

IRS Form 6166 for Estonia — FAQ

Is Estonia part of the Hague Apostille Convention?

Yes. The Convention has been in force for Estonia since 30 September 2001, so a U.S. apostille is accepted there directly.

How long does it take to prepare a IRS Form 6166 for Estonia?

About 10–12 business days for the U.S. Department of State apostille, plus return shipping. Certified translation runs alongside.

How much does it cost to send a IRS Form 6166 to Estonia?

$299 per document, with government fees and U.S. shipping included. We confirm your exact price before any payment.

Do I need a translation for Estonia?

Certified Estonian translation required. We can arrange certified translation with your order.

Can you obtain the IRS Form 6166 for me?

No — you obtain it from Internal Revenue Service first. Once you have it, we handle the rest.

Do I have to be in the United States?

No. Most Estonia orders are handled entirely by mail, and we can ship the finished document anywhere.

Related: IRS Form 6166 — full guide · All documents for Estonia · Apostille vs. embassy legalization · Why apostilles get rejected

Ready to start?

Order online in minutes, or call and we will walk you through it. Federal documents from anywhere in the U.S. — one flat price, all government fees included.