Automating Thai e-Tax Invoices & e-Receipts in Microsoft Dynamics 365

# Automating Thai e-Tax Invoices in Microsoft Dynamics 365

As the Thai Revenue Department accelerates its digital tax initiatives, enterprises are required to transition from manual paper tax invoices to secure **e-Tax Invoice by Email** and **e-Tax Invoice by XML**.

Key Technical Requirements for Thai e-Tax Compliance 1. **PDF/A-3 with Embedded XML**: Standard PDF format containing signed machine-readable XML schemas conforming to ETDA requirements. 2. **Digital Signature & HSM**: Cryptographic signing using an approved Certification Authority (CA) digital certificate. 3. **Automated Revenue Department Submission**: Scheduled or real-time submission of tax records via authorized gateways.

The Revolic Tech Approach With Revolic Tech's Thai Localization Suite, your finance team generates invoices as usual in Dynamics 365. Behind the scenes, the extension automatically extracts the XML payload, computes the SHA-256 hash, signs the document via Azure Key Vault HSM, and delivers the compliant PDF/A-3 to both the customer and the tax authority.