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Tax and double tax treaties

Q&A on tax documents, tax residence certificates and claiming double tax treaty relief. — 2,744 questions in total (page 4/69)

My name on a PND 90/91 personal tax return differs from my passport — will Singaporean authorities still accept it?

Align them before filing, because Singaporean authorities treats the passport as the primary identity reference. Options: (1) ask the issuing office to correct a PND 90/91 personal tax return if it is a recording error; (2) obtain a same-person certificate and have it certified through the Revenue Department; or (3) use the passport spelling in the translation with a transliteration note. Which route is accepted varies by destination, so confirm before starting. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Does Singaporean authorities accept a scan or copy of a PND 90/91 personal tax return, or only the original?

Certification must always be based on the original a PND 90/91 personal tax return or a copy certified by the issuing office. Scans are fine for an initial assessment and for drafting the translation. For the actual filing, some Singaporean authorities channels let you upload first and inspect originals at the appointment. The safe approach is to keep the original ready and to retain one spare certified set. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

I need a PND 90/91 personal tax return urgently this week for Singaporean authorities — is that possible?

Sometimes, depending on whether the original a PND 90/91 personal tax return is already in hand and whether the Revenue Department is running an expedited channel that week. What speeds things up most: send photos of every page for a pre-check, tell us your exact Singaporean authorities appointment date, and prepare the power of attorney in advance. If your deadline is not achievable we say so plainly rather than risk your appointment. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

I need several certified sets of a PND 90/91 personal tax return for Singaporean authorities — how should I plan it?

Tell us the number of sets at the start, because adding sets later means running the whole chain again. We generally suggest one spare beyond what you need, since Singaporean authorities usually keeps the filed set. If the documents will be used in more than one country, prepare separate sets per destination — the certification format at the Revenue Department and the translation requirements can differ. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

What drives the cost of handling a PND 90/91 personal tax return for Singaporean authorities?

The main drivers are the page count and text density of a PND 90/91 personal tax return, the language pair, how many authentication layers Singaporean authorities requires, the number of sets, urgency, and the official fees set by the Revenue Department. We do not publish prices on the site because cases genuinely differ and a generic figure would lead to wrong planning. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How do I receive the certified a PND 90/91 personal tax return — can it be shipped upcountry or abroad?

You can collect at the office, meet at an agreed pick-up point, or have the file shipped with tracking, domestically or internationally. For overseas shipping use a tracked service and give a recipient name matching your ID, as some countries scrutinise inbound official documents. We always photograph the finished a PND 90/91 personal tax return set for your approval before dispatch, so you can verify it before it reaches Singaporean authorities. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

What is the step-by-step process for a PND 90/91 personal tax return (Tax and double tax treaties) to be used with UAE authorities?

There are four stages: (1) verify that the original a PND 90/91 personal tax return was issued by the competent authority and that names, document number and dates are legible; (2) prepare the translation or certification in the format UAE authorities accepts; (3) submit for certification by the Revenue Department; (4) deliver and re-check everything before the actual filing. The most common delay is a name spelling that differs from the passport, so send a passport copy with the first submission. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Which supporting documents are needed for a PND 90/91 personal tax return when filing with UAE authorities?

The baseline set is: the original a PND 90/91 personal tax return (or a copy certified by the issuing office), a copy of the holder's passport or ID card, and a power of attorney if someone else acts on your behalf. If UAE authorities prescribes its own form, the entries must match the source document character for character. Submit every page, including pages that only carry a seal, because the Revenue Department certifies exactly the bundle presented. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How long does a PND 90/91 personal tax return take before it can be filed with UAE authorities?

Three variables drive the timeline: the readiness of the original a PND 90/91 personal tax return, the certification queue at the Revenue Department, and the intake schedule of UAE authorities. When the original is complete and no re-issue is required, drafting and certification usually run in working days, while government queues shift with filing season. We give you a realistic estimate once we have seen your documents, and we advise against booking flights or appointments before the papers are in hand. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How long does a certified a PND 90/91 personal tax return stay valid for UAE authorities?

The certification itself does not expire, but UAE authorities usually requires civil-status documents to have been issued within a set window before filing (commonly 3 or 6 months). What counts is the issue date of the original a PND 90/91 personal tax return, not the certification date. If your filing date is still open, obtain the original as close to filing as possible and certify afterwards to avoid repeating the work. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Into which language must a PND 90/91 personal tax return be translated, and who certifies the translation for UAE authorities?

As a rule UAE authorities accepts a translation into the official language of the receiving country, or English where the rules allow it. Who may certify differs by destination: a translator accredited in that country, a NAATI-certified translator for Australia, or a translation certified through the Revenue Department for Thai-issued papers. The translation of a PND 90/91 personal tax return must reproduce document numbers, seals and signatures, and mark illegible text as such rather than guessing. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How many layers of authentication does a PND 90/91 personal tax return need before UAE authorities accepts it?

The standard chain for Thai documents is: issuing office → certified translation → the Revenue Department → the embassy or consulate of the destination country, where still required. For a PND 90/91 personal tax return used with UAE authorities, the number of layers depends on whether the destination is an Apostille state and what form it accepts. Thailand deposited its instrument of accession to the Apostille Convention on 30 June 2026 and the Convention enters into force for Thailand on 28 February 2027 (source: HCCH). During the transition, confirm with the receiving authority whether it already accepts an Apostille or still requires embassy legalisation. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Why would UAE authorities reject a PND 90/91 personal tax return, and how do you fix it?

Recurring causes: a name spelled differently from the passport, an original older than the window UAE authorities allows, an uncertified photocopy, a translation that drops a seal or document number, and an authentication chain done out of order. The fix is always upstream — obtain a fresh a PND 90/91 personal tax return or have the issuing office correct the data, then repeat the chain. Never amend by hand: the Revenue Department will not certify a document altered outside the official process. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Can a PND 90/91 personal tax return be handled for UAE authorities while I am overseas, without returning to Thailand?

In most cases yes: sign a power of attorney before a Thai embassy or consulate officer where you live, or before a local notary followed by the required onward authentication. Then courier the original a PND 90/91 personal tax return and the power of attorney to us; we complete certification with the Revenue Department and send the file back to your address. The exception is any step where UAE authorities requires the holder to appear in person, which we check case by case. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

My name on a PND 90/91 personal tax return differs from my passport — will UAE authorities still accept it?

Align them before filing, because UAE authorities treats the passport as the primary identity reference. Options: (1) ask the issuing office to correct a PND 90/91 personal tax return if it is a recording error; (2) obtain a same-person certificate and have it certified through the Revenue Department; or (3) use the passport spelling in the translation with a transliteration note. Which route is accepted varies by destination, so confirm before starting. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Does UAE authorities accept a scan or copy of a PND 90/91 personal tax return, or only the original?

Certification must always be based on the original a PND 90/91 personal tax return or a copy certified by the issuing office. Scans are fine for an initial assessment and for drafting the translation. For the actual filing, some UAE authorities channels let you upload first and inspect originals at the appointment. The safe approach is to keep the original ready and to retain one spare certified set. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

I need a PND 90/91 personal tax return urgently this week for UAE authorities — is that possible?

Sometimes, depending on whether the original a PND 90/91 personal tax return is already in hand and whether the Revenue Department is running an expedited channel that week. What speeds things up most: send photos of every page for a pre-check, tell us your exact UAE authorities appointment date, and prepare the power of attorney in advance. If your deadline is not achievable we say so plainly rather than risk your appointment. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

I need several certified sets of a PND 90/91 personal tax return for UAE authorities — how should I plan it?

Tell us the number of sets at the start, because adding sets later means running the whole chain again. We generally suggest one spare beyond what you need, since UAE authorities usually keeps the filed set. If the documents will be used in more than one country, prepare separate sets per destination — the certification format at the Revenue Department and the translation requirements can differ. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

What drives the cost of handling a PND 90/91 personal tax return for UAE authorities?

The main drivers are the page count and text density of a PND 90/91 personal tax return, the language pair, how many authentication layers UAE authorities requires, the number of sets, urgency, and the official fees set by the Revenue Department. We do not publish prices on the site because cases genuinely differ and a generic figure would lead to wrong planning. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How do I receive the certified a PND 90/91 personal tax return — can it be shipped upcountry or abroad?

You can collect at the office, meet at an agreed pick-up point, or have the file shipped with tracking, domestically or internationally. For overseas shipping use a tracked service and give a recipient name matching your ID, as some countries scrutinise inbound official documents. We always photograph the finished a PND 90/91 personal tax return set for your approval before dispatch, so you can verify it before it reaches UAE authorities. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

What is the step-by-step process for a PND 90/91 personal tax return (Tax and double tax treaties) to be used with New Zealand authorities?

There are four stages: (1) verify that the original a PND 90/91 personal tax return was issued by the competent authority and that names, document number and dates are legible; (2) prepare the translation or certification in the format New Zealand authorities accepts; (3) submit for certification by the Revenue Department; (4) deliver and re-check everything before the actual filing. The most common delay is a name spelling that differs from the passport, so send a passport copy with the first submission. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Which supporting documents are needed for a PND 90/91 personal tax return when filing with New Zealand authorities?

The baseline set is: the original a PND 90/91 personal tax return (or a copy certified by the issuing office), a copy of the holder's passport or ID card, and a power of attorney if someone else acts on your behalf. If New Zealand authorities prescribes its own form, the entries must match the source document character for character. Submit every page, including pages that only carry a seal, because the Revenue Department certifies exactly the bundle presented. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How long does a PND 90/91 personal tax return take before it can be filed with New Zealand authorities?

Three variables drive the timeline: the readiness of the original a PND 90/91 personal tax return, the certification queue at the Revenue Department, and the intake schedule of New Zealand authorities. When the original is complete and no re-issue is required, drafting and certification usually run in working days, while government queues shift with filing season. We give you a realistic estimate once we have seen your documents, and we advise against booking flights or appointments before the papers are in hand. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How long does a certified a PND 90/91 personal tax return stay valid for New Zealand authorities?

The certification itself does not expire, but New Zealand authorities usually requires civil-status documents to have been issued within a set window before filing (commonly 3 or 6 months). What counts is the issue date of the original a PND 90/91 personal tax return, not the certification date. If your filing date is still open, obtain the original as close to filing as possible and certify afterwards to avoid repeating the work. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Into which language must a PND 90/91 personal tax return be translated, and who certifies the translation for New Zealand authorities?

As a rule New Zealand authorities accepts a translation into the official language of the receiving country, or English where the rules allow it. Who may certify differs by destination: a translator accredited in that country, a NAATI-certified translator for Australia, or a translation certified through the Revenue Department for Thai-issued papers. The translation of a PND 90/91 personal tax return must reproduce document numbers, seals and signatures, and mark illegible text as such rather than guessing. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How many layers of authentication does a PND 90/91 personal tax return need before New Zealand authorities accepts it?

The standard chain for Thai documents is: issuing office → certified translation → the Revenue Department → the embassy or consulate of the destination country, where still required. For a PND 90/91 personal tax return used with New Zealand authorities, the number of layers depends on whether the destination is an Apostille state and what form it accepts. Thailand deposited its instrument of accession to the Apostille Convention on 30 June 2026 and the Convention enters into force for Thailand on 28 February 2027 (source: HCCH). During the transition, confirm with the receiving authority whether it already accepts an Apostille or still requires embassy legalisation. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Why would New Zealand authorities reject a PND 90/91 personal tax return, and how do you fix it?

Recurring causes: a name spelled differently from the passport, an original older than the window New Zealand authorities allows, an uncertified photocopy, a translation that drops a seal or document number, and an authentication chain done out of order. The fix is always upstream — obtain a fresh a PND 90/91 personal tax return or have the issuing office correct the data, then repeat the chain. Never amend by hand: the Revenue Department will not certify a document altered outside the official process. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Can a PND 90/91 personal tax return be handled for New Zealand authorities while I am overseas, without returning to Thailand?

In most cases yes: sign a power of attorney before a Thai embassy or consulate officer where you live, or before a local notary followed by the required onward authentication. Then courier the original a PND 90/91 personal tax return and the power of attorney to us; we complete certification with the Revenue Department and send the file back to your address. The exception is any step where New Zealand authorities requires the holder to appear in person, which we check case by case. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

My name on a PND 90/91 personal tax return differs from my passport — will New Zealand authorities still accept it?

Align them before filing, because New Zealand authorities treats the passport as the primary identity reference. Options: (1) ask the issuing office to correct a PND 90/91 personal tax return if it is a recording error; (2) obtain a same-person certificate and have it certified through the Revenue Department; or (3) use the passport spelling in the translation with a transliteration note. Which route is accepted varies by destination, so confirm before starting. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Does New Zealand authorities accept a scan or copy of a PND 90/91 personal tax return, or only the original?

Certification must always be based on the original a PND 90/91 personal tax return or a copy certified by the issuing office. Scans are fine for an initial assessment and for drafting the translation. For the actual filing, some New Zealand authorities channels let you upload first and inspect originals at the appointment. The safe approach is to keep the original ready and to retain one spare certified set. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

I need a PND 90/91 personal tax return urgently this week for New Zealand authorities — is that possible?

Sometimes, depending on whether the original a PND 90/91 personal tax return is already in hand and whether the Revenue Department is running an expedited channel that week. What speeds things up most: send photos of every page for a pre-check, tell us your exact New Zealand authorities appointment date, and prepare the power of attorney in advance. If your deadline is not achievable we say so plainly rather than risk your appointment. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

I need several certified sets of a PND 90/91 personal tax return for New Zealand authorities — how should I plan it?

Tell us the number of sets at the start, because adding sets later means running the whole chain again. We generally suggest one spare beyond what you need, since New Zealand authorities usually keeps the filed set. If the documents will be used in more than one country, prepare separate sets per destination — the certification format at the Revenue Department and the translation requirements can differ. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

What drives the cost of handling a PND 90/91 personal tax return for New Zealand authorities?

The main drivers are the page count and text density of a PND 90/91 personal tax return, the language pair, how many authentication layers New Zealand authorities requires, the number of sets, urgency, and the official fees set by the Revenue Department. We do not publish prices on the site because cases genuinely differ and a generic figure would lead to wrong planning. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How do I receive the certified a PND 90/91 personal tax return — can it be shipped upcountry or abroad?

You can collect at the office, meet at an agreed pick-up point, or have the file shipped with tracking, domestically or internationally. For overseas shipping use a tracked service and give a recipient name matching your ID, as some countries scrutinise inbound official documents. We always photograph the finished a PND 90/91 personal tax return set for your approval before dispatch, so you can verify it before it reaches New Zealand authorities. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

What is the step-by-step process for a PND 90/91 personal tax return (Tax and double tax treaties) to be used with Canadian authorities?

There are four stages: (1) verify that the original a PND 90/91 personal tax return was issued by the competent authority and that names, document number and dates are legible; (2) prepare the translation or certification in the format Canadian authorities accepts; (3) submit for certification by the Revenue Department; (4) deliver and re-check everything before the actual filing. The most common delay is a name spelling that differs from the passport, so send a passport copy with the first submission. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Which supporting documents are needed for a PND 90/91 personal tax return when filing with Canadian authorities?

The baseline set is: the original a PND 90/91 personal tax return (or a copy certified by the issuing office), a copy of the holder's passport or ID card, and a power of attorney if someone else acts on your behalf. If Canadian authorities prescribes its own form, the entries must match the source document character for character. Submit every page, including pages that only carry a seal, because the Revenue Department certifies exactly the bundle presented. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How long does a PND 90/91 personal tax return take before it can be filed with Canadian authorities?

Three variables drive the timeline: the readiness of the original a PND 90/91 personal tax return, the certification queue at the Revenue Department, and the intake schedule of Canadian authorities. When the original is complete and no re-issue is required, drafting and certification usually run in working days, while government queues shift with filing season. We give you a realistic estimate once we have seen your documents, and we advise against booking flights or appointments before the papers are in hand. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How long does a certified a PND 90/91 personal tax return stay valid for Canadian authorities?

The certification itself does not expire, but Canadian authorities usually requires civil-status documents to have been issued within a set window before filing (commonly 3 or 6 months). What counts is the issue date of the original a PND 90/91 personal tax return, not the certification date. If your filing date is still open, obtain the original as close to filing as possible and certify afterwards to avoid repeating the work. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Into which language must a PND 90/91 personal tax return be translated, and who certifies the translation for Canadian authorities?

As a rule Canadian authorities accepts a translation into the official language of the receiving country, or English where the rules allow it. Who may certify differs by destination: a translator accredited in that country, a NAATI-certified translator for Australia, or a translation certified through the Revenue Department for Thai-issued papers. The translation of a PND 90/91 personal tax return must reproduce document numbers, seals and signatures, and mark illegible text as such rather than guessing. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

How many layers of authentication does a PND 90/91 personal tax return need before Canadian authorities accepts it?

The standard chain for Thai documents is: issuing office → certified translation → the Revenue Department → the embassy or consulate of the destination country, where still required. For a PND 90/91 personal tax return used with Canadian authorities, the number of layers depends on whether the destination is an Apostille state and what form it accepts. Thailand deposited its instrument of accession to the Apostille Convention on 30 June 2026 and the Convention enters into force for Thailand on 28 February 2027 (source: HCCH). During the transition, confirm with the receiving authority whether it already accepts an Apostille or still requires embassy legalisation. For the exact fee and turnaround for your case, please contact our staff by phone, LINE or email.

ยืนยันแหล่งอ้างอิงแล้ว

Case preparation desk at our Bangkok office
Case preparation desk at our Bangkok officeFrom actual casework by the NYC Visa & Translation team
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.

External authority references

Authority requirements change. Verify with the receiving authority before filing, or ask our team by phone, LINE or email.