Royal Thai Embassy Chicago

This site helps to expedite the legalization and certification of documents from the Embassy of Thailand in Chicago.

Required documents


Legalization form


For company use

A requested letter signed by a company's authorized Officer.

The said letter should be printed on Company letter-head with address and contact numbers

A list of documents that is enclosed and purpose of usage should be stated in the contents of the letter


For personal use

Please fill out this


and attach a copy of driver's license in the mail


Original documents must be legalized

Each set of original documents needs to be acknowledged,notarized and sealed by a notary public.

The notary public's seal and signature must be verified by Secretary of State in the state where the Notary public is located, by certifying to the Notary's current status

The document then needs to be authenticated by the Office of authentications,US Department of state


A photocopy of all pages included the certified letter from Secretary of state and U.S Department of state is required for consulate's records.


A self-addressed envelope with adequate postage stamps or prepaid express envelope is required for returning documents to requester, if submitted by mail.


Legalization processing fee is $15 per set of original document

Type of payment is only by money order or casheir's check to the Royal Thai Consulate General,Chicago

Company or personal check is not acceptable


The Royal Thai Consulate General in Chicago can legalize documents which are originally done in the consulate's jurisdiction only

which are Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin.

We don't accept documents/applications in person at this time, the document must be submitted by mail only

Documents qualified for legalization

According to the regulations set fourth by the Ministry of Foreign Affairs of Thailand, the Royal Thai Consulate-General in New York is authorized to legalize English documents bearing the seal of the United States Department of state in Washington, D.C only we don't accept "Apostille"

Please contact


Secretaries of State of the United States

United State Department of State,Authentication Office

office of authentications

Physical address

600 19th street, NW

Washington D.C. 20006

(202) 485 - 8000

Mailing address

Office of authentications


44132 Mercure CIR

P.O.BOX 1206 Sterling,VA 20166=1206

Processing time

Apllications are usually processed within 10 business days from the day of the receipt not including mailing time

Please note that :

the Royal Thai Embassy General assumes no responsibility for the content of documents.

Contact us

The royal Thai Consulate-General,Chicago

700 North Rush Street,Chicago, IL 60611-2504.

Tel. (312) 664 - 3129

ext. 110