Legalisation for Foreigners

Legalisation for Foreigners

Authentication of Document

Authentication of Document

วันที่นำเข้าข้อมูล 8 Jul 2020

วันที่ปรับปรุงข้อมูล 11 Oct 2023

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A completed Application for Legalization form requesting authentication of your documents, or an official letter from your office.

Documents to be authenticated, please note that before you submit the documents to be authenticated by the Embassy, the documents must be:

  • Notarized by a Notary Public
  • Notarized documents must then be authenticated by the Department of Foreign Affairs, Trade and Development (DFATD). Their contact information is as follows:

       Documents Authentication Officer

       Authentication & Service of Documents Section

       Legal Affairs Bureau

       Lester B Pearson Tower C-7

       Department of Foreign Affairs, Trade and Development

       125 Sussex Drive

       Ottawa, Ontario K1G OA2

       Tel. (613) 995-0119 or (613) 944-4000


  • If you reside in Quebec and would like to have your documents authenticated, follow the same procedures as above. However, you are not required to go through DFATD, but through Chambre des Notaires du Quebec instead. Their contact information is as follows:

       Chambre des Notaires du Quebec

       1801, avenue McGill College

       Bureau 600

       Montreal, Quebec H3A 0A7

       Tel. (514) 879-1793

Applying in-person :

  • 09.30 a.m. to 11.30 a.m. and 1.30 p.m. to 3:00 p.m.
  • Monday – Friday (except public and embassy holidays)

Address when applying by mail:

Royal Thai Embassy

180 Island Park Drive Ottawa,

Ontario K1Y 0A2

Authentication fee:

The fee is CAD $30.00 per stamp.  If documents are submitted in person or by mail please note for the payment the Embassy only accepts money orders from the post office or bank drafts from banks payable to the “ROYAL THAI EMBASSY”.


The Embassy does not accept personal cheques, company cheques, debit cards, or credit cards.


Please note that a Prepaid Xpress Post envelope must be included for the return of document. The embassy is not responsible for the missing of the returned document.