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Tax and double tax agreements
584 topics grouped by document type and receiving authority (page 7/8) — requirements change, so confirm with the receiving authority or ask our staff by phone, LINE or email.
บริการยื่นวีซ่า 196 ประเทศทั่วโลก · ครบ 77 จังหวัด · เปิด จันทร์ – ศุกร์ 9:00 – 18:00
cross-border tax documents filing with Japanese authorities — can it be done online
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
cross-border tax documents filing with Japanese authorities — from upcountry
If you are outside Bangkok you can courier the original a certificate of tax residence, enclosing a passport copy and a contact number in the same envelope.
cross-border tax documents filing with Japanese authorities — urgent handling
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
cross-border tax documents filing with Japanese authorities — common rejection reasons
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
cross-border tax documents filing with Japanese authorities — where it can be filed
Once certified, the a certificate of tax residence is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
cross-border tax documents filing with Japanese authorities — from overseas
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
cross-border tax documents filing with Japanese authorities — format and number of sets
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
cross-border tax documents filing with Japanese authorities — using a representative
A representative needs a power of attorney plus ID copies of both parties, and the Revenue Department will check that names match the source document.
cross-border tax documents filing with Chinese authorities — process
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with the Revenue Department, then re-check before filing.
cross-border tax documents filing with Chinese authorities — required documents
The baseline set is the original a certificate of tax residence (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
cross-border tax documents filing with Chinese authorities — how long it takes
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
cross-border tax documents filing with Chinese authorities — where to do it
The final certification sits with the Revenue Department; document preparation and translation can be arranged in advance from Bangkok or upcountry.
cross-border tax documents filing with Chinese authorities — can it be done online
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
cross-border tax documents filing with Chinese authorities — from upcountry
If you are outside Bangkok you can courier the original a certificate of tax residence, enclosing a passport copy and a contact number in the same envelope.
cross-border tax documents filing with Chinese authorities — urgent handling
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
cross-border tax documents filing with Chinese authorities — common rejection reasons
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
cross-border tax documents filing with Chinese authorities — where it can be filed
Once certified, the a certificate of tax residence is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
cross-border tax documents filing with Chinese authorities — from overseas
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
cross-border tax documents filing with Chinese authorities — format and number of sets
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
cross-border tax documents filing with Chinese authorities — using a representative
A representative needs a power of attorney plus ID copies of both parties, and the Revenue Department will check that names match the source document.
cross-border tax documents filing with Korean authorities — process
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with the Revenue Department, then re-check before filing.
cross-border tax documents filing with Korean authorities — required documents
The baseline set is the original a certificate of tax residence (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
cross-border tax documents filing with Korean authorities — how long it takes
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
cross-border tax documents filing with Korean authorities — where to do it
The final certification sits with the Revenue Department; document preparation and translation can be arranged in advance from Bangkok or upcountry.
cross-border tax documents filing with Korean authorities — can it be done online
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
cross-border tax documents filing with Korean authorities — from upcountry
If you are outside Bangkok you can courier the original a certificate of tax residence, enclosing a passport copy and a contact number in the same envelope.
cross-border tax documents filing with Korean authorities — urgent handling
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
cross-border tax documents filing with Korean authorities — common rejection reasons
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
cross-border tax documents filing with Korean authorities — where it can be filed
Once certified, the a certificate of tax residence is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
cross-border tax documents filing with Korean authorities — from overseas
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
cross-border tax documents filing with Korean authorities — format and number of sets
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
cross-border tax documents filing with Korean authorities — using a representative
A representative needs a power of attorney plus ID copies of both parties, and the Revenue Department will check that names match the source document.
cross-border tax documents filing with Singaporean authorities — process
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with the Revenue Department, then re-check before filing.
cross-border tax documents filing with Singaporean authorities — required documents
The baseline set is the original a certificate of tax residence (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
cross-border tax documents filing with Singaporean authorities — how long it takes
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
cross-border tax documents filing with Singaporean authorities — where to do it
The final certification sits with the Revenue Department; document preparation and translation can be arranged in advance from Bangkok or upcountry.
cross-border tax documents filing with Singaporean authorities — can it be done online
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
cross-border tax documents filing with Singaporean authorities — from upcountry
If you are outside Bangkok you can courier the original a certificate of tax residence, enclosing a passport copy and a contact number in the same envelope.
cross-border tax documents filing with Singaporean authorities — urgent handling
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
cross-border tax documents filing with Singaporean authorities — common rejection reasons
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
cross-border tax documents filing with Singaporean authorities — where it can be filed
Once certified, the a certificate of tax residence is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
cross-border tax documents filing with Singaporean authorities — from overseas
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
cross-border tax documents filing with Singaporean authorities — format and number of sets
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
cross-border tax documents filing with Singaporean authorities — using a representative
A representative needs a power of attorney plus ID copies of both parties, and the Revenue Department will check that names match the source document.
cross-border tax documents filing with UAE authorities — process
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with the Revenue Department, then re-check before filing.
cross-border tax documents filing with UAE authorities — required documents
The baseline set is the original a certificate of tax residence (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
cross-border tax documents filing with UAE authorities — how long it takes
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
cross-border tax documents filing with UAE authorities — where to do it
The final certification sits with the Revenue Department; document preparation and translation can be arranged in advance from Bangkok or upcountry.
cross-border tax documents filing with UAE authorities — can it be done online
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
cross-border tax documents filing with UAE authorities — from upcountry
If you are outside Bangkok you can courier the original a certificate of tax residence, enclosing a passport copy and a contact number in the same envelope.
cross-border tax documents filing with UAE authorities — urgent handling
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
cross-border tax documents filing with UAE authorities — common rejection reasons
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
cross-border tax documents filing with UAE authorities — where it can be filed
Once certified, the a certificate of tax residence is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
cross-border tax documents filing with UAE authorities — from overseas
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
cross-border tax documents filing with UAE authorities — format and number of sets
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
cross-border tax documents filing with UAE authorities — using a representative
A representative needs a power of attorney plus ID copies of both parties, and the Revenue Department will check that names match the source document.
cross-border tax documents filing with New Zealand authorities — process
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with the Revenue Department, then re-check before filing.
cross-border tax documents filing with New Zealand authorities — required documents
The baseline set is the original a certificate of tax residence (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
cross-border tax documents filing with New Zealand authorities — how long it takes
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
cross-border tax documents filing with New Zealand authorities — where to do it
The final certification sits with the Revenue Department; document preparation and translation can be arranged in advance from Bangkok or upcountry.
cross-border tax documents filing with New Zealand authorities — can it be done online
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
cross-border tax documents filing with New Zealand authorities — from upcountry
If you are outside Bangkok you can courier the original a certificate of tax residence, enclosing a passport copy and a contact number in the same envelope.
cross-border tax documents filing with New Zealand authorities — urgent handling
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
cross-border tax documents filing with New Zealand authorities — common rejection reasons
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
cross-border tax documents filing with New Zealand authorities — where it can be filed
Once certified, the a certificate of tax residence is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
cross-border tax documents filing with New Zealand authorities — from overseas
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
cross-border tax documents filing with New Zealand authorities — format and number of sets
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
cross-border tax documents filing with New Zealand authorities — using a representative
A representative needs a power of attorney plus ID copies of both parties, and the Revenue Department will check that names match the source document.
cross-border tax documents filing with Canadian authorities — process
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with the Revenue Department, then re-check before filing.
cross-border tax documents filing with Canadian authorities — required documents
The baseline set is the original a certificate of tax residence (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
cross-border tax documents filing with Canadian authorities — how long it takes
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
cross-border tax documents filing with Canadian authorities — where to do it
The final certification sits with the Revenue Department; document preparation and translation can be arranged in advance from Bangkok or upcountry.
cross-border tax documents filing with Canadian authorities — can it be done online
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
cross-border tax documents filing with Canadian authorities — from upcountry
If you are outside Bangkok you can courier the original a certificate of tax residence, enclosing a passport copy and a contact number in the same envelope.
cross-border tax documents filing with Canadian authorities — urgent handling
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
cross-border tax documents filing with Canadian authorities — common rejection reasons
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
cross-border tax documents filing with Canadian authorities — where it can be filed
Once certified, the a certificate of tax residence is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
cross-border tax documents filing with Canadian authorities — from overseas
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
cross-border tax documents filing with Canadian authorities — format and number of sets
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
cross-border tax documents filing with Canadian authorities — using a representative
A representative needs a power of attorney plus ID copies of both parties, and the Revenue Department will check that names match the source document.
See the Q&A library for this serviceNAATI certified translationNotarial Services AttorneyCertified translationMFA legalisationEmbassy attestationPolice clearance certificateCross-border power of attorneyThai visa for foreignersOutbound visa applicationThai work permitThai immigration servicesThai permanent residence and citizenship
แหล่งอ้างอิงทางการ · Authoritative Sources
Practical Q&A
Practical questions · Near me / DIY / Required documents
Is there a service point near me?
Our main offices are Lat Phrao 95 (Bangkok), Khon Kaen and Udon Thani. We serve the whole country through scans and document courier, and can meet at city rail stations or malls. Ask our team by phone, LINE or email for the most convenient option.
Can I handle this myself?
Many steps can be done personally under the relevant authority's rules. What usually costs time is the wrong sequence, a translation format that does not match the requirement, or a source document version the recipient will not accept. Check the destination checklist before starting and ask us if anything is unclear.
Which documents should I prepare?
Generally the original document from the competent authority, the owner's ID or passport, a translation in the format the destination requires, and a power of attorney if someone acts for you. Details vary by service type — ask our team for a case-specific checklist.
Related services
What clients usually handle next
One document set often moves through several stages — translation, notarial certification, legalization and finally a visa filing. The links below follow that real sequence.
- Notarial services by a licensed Thai attorneySignature witnessing, certified true copies, affidavits and powers of attorney for overseas use
- Certified document translation, all languagesTranslations for Thai and overseas authorities with a certification statement
- NAATI-certified translation for Australia & New ZealandTranslations accepted by Australian government agencies, with certifier stamp
- Thai–foreign marriage registrationAffirmation of freedom to marry, embassy certification and district office registration
- Police clearance certificateFiled with the Royal Thai Police Special Branch, with translation and legalization
- Outbound visas for Thai nationalsDocument preparation, embassy appointments and pre-submission file review
External authority references
- กองสัญชาติและนิติกรณ์ กรมการกงสุล กระทรวงการต่างประเทศ — หน่วยงานรับรองนิติกรณ์เอกสาร (legalization) ของประเทศไทย
- กระทรวงการต่างประเทศ (MFA Thailand)
- HCCH – Apostille Section (อนุสัญญากรุงเฮก 1961) — รายชื่อรัฐภาคีและสถานะการใช้ Apostille
- กรมการปกครอง (DOPA) — ทะเบียนราษฎร ทะเบียนสมรส/หย่า และหนังสือรับรองสถานภาพ
Authority requirements change. Verify with the receiving authority before filing, or ask our team by phone, LINE or email.