Apostille for a Single Status Affidavit — Document Guide

Start with a properly notarized affidavit

Most Secretary of State offices apostille a notarized single status affidavit (or the exact form the foreign embassy named)—not an unnotarized letter, a screenshot, or a template without a notary acknowledgment. Sign in front of a notary public in the state whose SOS will apostille the document. Confirm whether the receiving embassy, consulate, or foreign civil registry wants a free-form affidavit, a state-specific form, or both. Some countries also require a recently certified divorce decree or death certificate of a prior spouse; those are separate document chains. Photocopies without the original notary seal generally cannot be apostilled.

State authentication (Secretary of State) outline

1) Identify the exact document the foreign party requires (single status affidavit, certificate of no impediment, affidavit of eligibility to marry, or a related form). 2) Complete and notarize the affidavit in the correct state, matching any language or format the embassy listed. 3) Check whether your state requires an intermediate county clerk certification of the notary’s commission before the SOS will apostille. 4) Submit the notarized original (plus any required intermediate certification) to that state’s Secretary of State for a Hague apostille (or authentication certificate for non-Hague destinations). 5) Use tracked shipping both ways and keep scans of everything you send. Match the SOS to the state where the notary commissioned the document—you generally cannot get a California apostille on a Texas notarization.

Fee and timeline estimates

Estimates only—fees and queues change. Notary fees commonly run roughly $5–$25+ per signature depending on the state. Intermediate county clerk certifications (where required) add another modest fee. State SOS apostille fees often fall roughly in the $10–$25+ per document range, with higher charges for expedited or same-day service where offered. Mail-in processing for notarization plus apostille can take several business days to a few weeks in busy periods; walk-in or courier hand-carry (where offered) may finish in roughly one to a few business days once the packet is complete. Always verify live fees and hours on the county clerk and Secretary of State sites before you send originals.

Walk-in vs mail vs courier

Mail-in DIY is usually cheapest if you have weeks of buffer and can follow both the notary/county and SOS checklists exactly (cover letter, fees, return envelope, notarized affidavit). Walk-in helps when the SOS offers counter service and you can travel with originals. Couriers are useful for wedding or embassy deadlines, multi-document packets (single status + birth certificate + divorce decree + passport copy), or when a rejected mail packet would miss a ceremony window. Budget for notary fees, any intermediate clerk fee, SOS apostille fees, courier service fees, and tracked shipping both ways.

Common mistakes

Sending an unnotarized letter; skipping a required intermediate county clerk step; using the wrong state’s SOS; assuming a U.S. birth certificate alone proves single status when the foreign agency asked for an affidavit; forgetting translations or embassy-specific wording; or shipping without tracking. Some foreign agencies also want a recently dated affidavit—check their freshness window before you notarize and ship.

Related state guides

• California apostille guide
• Texas apostille guide
• Florida apostille guide

FAQ

Which state apostilles my single status affidavit?

Usually the Secretary of State in the same state where the notary acknowledged the affidavit. Confirm any intermediate county clerk certification that state requires before SOS authentication.

Is a birth certificate enough instead of a single status affidavit?

Usually not for marriage abroad. Many foreign civil registries specifically ask for a single status affidavit, certificate of no impediment, or affidavit of eligibility to marry. Follow the receiving embassy or registry checklist.

What if I was previously married?

Many destinations also require a certified divorce decree or death certificate of a prior spouse, apostilled separately. Confirm every document the foreign agency named in writing before you notarize.

Is this legal advice?

No. This page is informational only. Requirements vary by state and destination country and change over time—verify on official Secretary of State and embassy pages or consult a qualified professional.