Apostille and Authentication Process Guide

If you need a U.S. document accepted in another country — for marriage, school, immigration, adoption, or business — you will often need an apostille or a more traditional authentication / legalization chain. Notarization is frequently the first step for private documents. This guide explains the sequence so you do not mail papers to the wrong office.

Apostille vs authentication (the key fork)

• Apostille: A simplified certificate used between countries that are party to the Hague Apostille Convention. One apostille from the correct U.S. authority is usually enough.
• Authentication / legalization: For countries not in the Convention (or for certain document types), you may need state authentication plus U.S. Department of State authentication and then the foreign embassy/consulate.

Always confirm with the foreign school, embassy, employer, or attorney which path they require and whether they need a certified copy, original, or translation.

Where U.S. apostilles come from

It depends on the document type:

• State-issued vital records (birth, marriage, death certificates): usually the Secretary of State (or equivalent) in the state that issued the record — often from a certified copy obtained from vital records first.
• Notarized documents (affidavits, POAs, copies certified by a notary where allowed): typically the Secretary of State that commissioned the notary.
• Federal documents (FBI background checks, federal court docs, etc.): usually authenticated by the U.S. Department of State, not a state apostille desk.

Step-by-step for a typical notarized document going abroad

1. Confirm the destination country’s requirement (apostille vs full legalization) and any translation rules.
2. Prepare the underlying document. Private documents often must be signed and notarized first.
3. Get the correct notarial act. Book a notary via NotaryNearMe.com. Bring valid ID and a complete document. See our getting documents notarized guide.
4. Submit to the state apostille / authentication office that matches the notary’s commission (or the vital records state). Follow that office’s cover sheet, fee, and mailing or in-person rules.
5. If legalization is required, continue to the U.S. Department of State and then the foreign embassy/consulate as instructed.
6. Receive the apostille or authenticated packet and send it with any required certified translation.

Processing time and cost (realistic expectations)

• State apostille turnaround is often several business days to a few weeks, longer for mail-in or peak seasons
• Expedited options exist in some states for extra fees
• Embassy legalization can add substantial time
• Notary fees are separate from apostille fees

Build buffer time into visa, wedding, and school deadlines.

Documents people commonly apostille

• Birth, marriage, and divorce records (via vital records + state apostille)
• Diplomas and transcripts (often after school certification / notary steps — policies vary)
• Powers of attorney for foreign property or banking
• Adoption-related paperwork
• Corporate documents for overseas business

Common mistakes

• Getting a document notarized in the wrong state relative to where you will request the apostille
• Using a photocopy when the foreign authority requires a certified vital record
• Skipping confirmation that the destination accepts apostilles
• Waiting until a week before travel to start the chain
• Assuming the notary “issues the apostille” — notaries notarize; state/federal authorities apostille or authenticate

How a notary helps (and where their role ends)

A notary can complete the notarial certificate on eligible documents so the Secretary of State can verify that notary’s commission and issue an apostille. The notary does not stamp an apostille and cannot apostille a birth certificate as if they were the vital records office.

Need the notarization step? Start with apostille notary services or find a notary near you. For more background, see our article What Is an Apostille, and How Do I Get One?.