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    Last reviewed: by Anglo Siam Law Editorial Team
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    Educational Information Only

    The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.

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    Tax

    e-Tax Invoice / e-Receipt Enrolment Form

    Enrolment application to issue tax invoices and receipts electronically with full legal effect. Two tracks: e-Tax Invoice by Email (SME) and e-Tax Invoice & e-Receipt with Digital Signature (full).

    Updated:
    e-Tax Enrol
    ลงทะเบียน e-Tax Invoice
    Tax
    Revenue Department portal: free. Certificate Authority charges apply for digital signature track.

    When Used

    Before commencing e-invoicing operations.

    Who Files

    VAT-registered businesses.

    Fee & Logistics

    Fee

    Revenue Department portal: free. Certificate Authority charges apply for digital signature track.

    Processing Time

    1-4 weeks depending on track

    Where Filed

    Revenue Department e-Tax portal (etax.rd.go.th)

    Filing Method

    • Online via Revenue Department portal

    Required Documents

    • VAT registration confirmation
    • Digital certificate (full track)

    Field-by-Field Walkthrough

    Tax ID

    Required

    Corporate Tax ID.

    Enrolment track

    Required

    By Email (SME) or Digital Signature (full).

    Common Mistakes

    • Wrong track selection for transaction volume

    This walkthrough summarises the practical filing requirements for a Thai government form as a starting point. Fees, procedures, and required documents change without notice — always verify with the issuing authority before filing. Educational use only; not a substitute for advice from a Thai-qualified lawyer, accountant, or licensed visa agent.

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