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Thailand has introduced e-invoicing to modernize tax administration and improve business efficiency. The government is gradually expanding digital invoicing requirements, with a focus on integrating businesses into a national e-invoicing framework.
The system is designed to reduce fraud, enhance tax reporting, and provide businesses with a streamlined invoicing process. Companies that voluntarily adopt e-invoicing benefit from faster processing and improved compliance.
Regulatory authority
The Revenue Department of Thailand manages the country’s e-invoicing framework.
E-invoicing requirements
E-invoicing is currently voluntary but expected to become mandatory in the near future.
Accepted invoice formats
Invoices must be issued in XML format, aligned with Thailand’s developing e-invoicing standards.
Transmission channels
Invoices are submitted through the e-Tax Invoice & e-Receipt System for validation.
Digital signatures
Digital signatures are required to authenticate invoices and prevent fraud.
Archiving requirements
Invoices must be stored for at least five years under Thai tax regulations.
How B2B e-invoicing works in Thailand
Businesses generate invoices digitally and submit them through the e-Tax Invoice system for validation.
How B2G e-invoicing works in Thailand
Government suppliers that adopt e-invoicing submit invoices electronically for faster processing and compliance.
Ready to get started?
Schedule a consultation to explore the benefits of e-invoicing.
