EN/TH/中文
Book a Consultation
Book a Consultation Contact via LINE
Englishไทย简体中文

Notarial Services

Affidavits & Statutory Declarations

Sworn statements prepared for use by a court, authority or overseas body — drafted so they say precisely what you can stand behind, then sworn and certified.

Talk to us

Tell us the situation and we will tell you what we think you should do — and what it will cost.

Book a Consultation

Who this is for

  • People asked for a sworn statement by a foreign authority
  • Applicants declaring single status, income or relationships
  • Parties to proceedings abroad who must file evidence from Thailand
  • People declaring loss of a document or identity discrepancies

What we handle

Scope of work

Drafting the declaration in the form the receiving body expects

Checking each statement is one you can properly swear to

Administering the oath or affirmation and certifying it

Single-status, income, support and relationship declarations

Declarations of loss, name discrepancy or identity of a person

Bilingual declarations where both texts must be relied on

How it works

How we run the matter

  1. Tell us the purpose and who requires the declaration
  2. Draft the text, or adapt the prescribed form
  3. Review it line by line and remove what cannot be sworn
  4. Attend, swear or affirm before the attorney and sign
  5. Receive the certified declaration
  6. Proceed to further legalisation where required

Documents to prepare

  • Passport or Thai ID card
  • The prescribed form or instructions, if you were given one
  • Documents supporting the facts you will declare
  • The purpose and the destination country
  • The deadline for filing it

Common questions

The terms come from foreign legal systems and the receiving body usually specifies which it wants; in practice both are written statements you swear or affirm to be true, certified by the attorney who administered it. Tell us the wording requested and the document is prepared in that form.
A sworn false statement carries serious consequences — criminal exposure in Thailand and, abroad, the collapse of whatever application it supported. This is why we go through the draft line by line with you and cut anything you cannot personally vouch for. A shorter declaration you can stand behind beats a fuller one you cannot.
Either. If the receiving body gave you a prescribed form, we work within it; if not, we draft from your account of the facts and the purpose. Bringing their instructions — even a screenshot — saves the most time.
Often it needs the same onward chain as any other certified document — Ministry of Foreign Affairs, then the destination embassy. Confirm the requirement before you file anything, because a declaration certified but not legalised is a common and avoidable rejection. NOTARIAL_LIMITS
Yes — the oath or affirmation is taken from you personally, in front of the attorney, which is the whole basis of the certificate. Bring identification, and the appointment is usually completed the same visit. NOTARIAL_TIMEFRAME

Lawyers for this matter

Generation 1 Chanin Taongern

Founding Partner

Chanin Taongern

40+ years of courtroom and advisory experience

LitigationBusiness advisoryEmployment lawCivil and criminal matters
View Profile
Generation 2 Pongsanan Taongern

Partner

Pongsanan Taongern

Modern legal practice, business advisory and international client support

Corporate advisoryEmployment lawCross-border family lawInternational client servicesLegal workshops
View Profile

Official sources

The Thai authorities and legislation this work is carried out under. Requirements change; we confirm the current position for your matter.

Related services

Notarial Services

Signature Certification

Witnessing and certifying a signature on a document you must sign in person — with the notarial certificate that accompanies it, in the form the receiving country expects.

Read more Notarial Services

Certified True Copies

Certified copies of identity, corporate and academic documents — so you can submit copies abroad and keep your originals where they belong.

Read more Notarial Services

Document Authentication

Preparing documents for the further legalisation an embassy or ministry requires — the whole chain mapped before you start, so nothing is rejected at step three.

Read more

Speak to a lawyer

Legal problems are easier to manage when addressed early.

Book a Consultation Contact via LINE