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Thai Notary Law & Service Phuket
THAI NOTARY LAW
Phuket • Thailand

Power of attorney signed in Thailand for use in Japan

Japan relies on the registered seal (jitsuin) and its seal certificate. People without a Japanese seal registration typically use a signature certificate instead.

Destination is an Apostille partyYes
Apostille and ThailandEnters into force on 28 February 2027
Steps in the chain3 steps, excluding the queue at the receiving body

The certification chain step by step

  1. Ask the Japanese recipient whether a signature certificate can replace an inkan shomeisho.
  2. Sign before the Japanese embassy in Thailand or a Notarial Services Attorney.
  3. Translate into Japanese where the recipient requires it.

Common use cases

Before you start

  1. Give the name in both Roman letters and katakana where the registry uses Japanese script.

Cautions and common rejection causes

We pre-check files to reduce the chance of rejection; the receiving authority alone decides acceptance.

Country-specific sources

Other destination countries

Let us sequence the chain for you

Tell us the purpose and the receiving body in Japan by phone, LINE or email, Mon-Sat 9:00-18:00.

Contact us
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Official sources referenced

Government fees and processing times on this page were last verified in July 2026 by our Notarial Services Attorneys registered with the Lawyers Council of Thailand. Figures follow published agency schedules, may change without notice, and actual turnaround depends on each authority's queue. Please reconfirm with the issuing authority before you file.