FAQ

FAQ

Frequently Asked Questions
about e-Tax services

Frequently Asked Questions about e-Tax services

Find key information to better understand our services and choose the right solution for your business

Find key information to better understand our services and choose the right solution for your business

What are a Tax Invoice and an e-Receipt?

They refer to tax invoices and receipts issued electronically in accordance with Revenue Department requirements and can legally replace paper documents.

VAT-registered businesses authorized by the Revenue Department to issue electronic tax documents.

An e-Tax Invoice is a tax invoice issued under Section 86/4, while an e-Receipt is a receipt issued under Section 105 of the Revenue Code.

Yes. Electronic documents issued in compliance with applicable requirements have the same legal validity as paper documents.

Yes. An electronic signature or other reliable mechanism must be used in accordance with applicable requirements.

Electronic documents must comply with the required formats, such as XML for structured data and PDF/PDF-A for document presentation.

They can be delivered through mutually agreed electronic channels.

No. Buyer acknowledgment is not required. The document is legally valid once it has been properly issued in accordance with applicable requirements.

No. An issued document cannot be modified. Any adjustments must be made by issuing a debit note or credit note.

Must be retained for no less than 5 years and no more than 7 years.

What kind of business is Standard Service suitable for?

Ideal for SMEs and VAT-registered businesses that need a simple, cost-effective way to issue e-Tax Invoices and e-Receipts. Ready to use via web browser or Excel import, with no IT team or ERP integration required.

Supports standard e-Tax documents, including Tax Invoices, Receipts, Debit Notes, Credit Notes, and Replacement Documents. For specialized documents or custom formats, the Customized Service is recommended.

Yes. You can customize basic elements such as your logo, colors, and company information within the standard template. For fully customized layouts and branding, the Customized Service is recommended.

The Standard Service primarily supports Thai documents. For English or bilingual documents, please contact our team for further assessment.

Enter data directly via the web or upload Excel/CSV files using the provided template. For automated ERP integration, the Customized Service is recommended.

Yes. Basic roles such as Administrator, Document Issuer, and Report Viewer can be assigned. For advanced access control by department or branch, the Customized Service is recommended.

Ideal for standard document volumes. For high volumes of over 10,000 documents per month, our team can recommend the appropriate service model and SLA.

Yes. The system can automatically send e-Tax documents to customers using standard email templates. For customized branding and content, the Customized Service is recommended.

Yes. The system can automatically send e-Tax documents to customers using standard email templates. For customized branding and content, the Customized Service is recommended.

Yes. The system can automatically send e-Tax documents to customers using standard email templates. For customized branding and content, the Customized Service is recommended.

Yes. The system supports standard electronic submission to the Revenue Department. For Host-to-Host integration, the Customized Service is recommended.

Documents are securely stored in the cloud for the legally required retention period, with easy access to historical records. For On-premise or internal storage requirements, customized options are available.

Standard reports include daily/monthly summaries, submission status, and cancelled documents. Custom KPI dashboards are available with the Customized Service.

The Standard Service can typically be ready within 7 business days, depending on the availability of company information, user details, and initial setup requirements.

What types of organizations is the Customized Service suitable for?

Ideal for organizations requiring automated system integration, custom document templates and workflows, or specific security and SLA requirements.

Ideal for organizations requiring automated system integration, custom document templates and workflows, or specific security and SLA requirements.

Ideal for organizations requiring automated system integration, custom document templates and workflows, or specific security and SLA requirements.

Yes. It can integrate with ERP, accounting, POS, and e-Commerce systems, subject to assessment of the system, version, and available API specifications.

Yes. It can integrate with ERP, accounting, POS, and e-Commerce systems, subject to assessment of the system, version, and available API specifications.

Yes. It can integrate with ERP, accounting, POS, and e-Commerce systems, subject to assessment of the system, version, and available API specifications.

Integration can be designed using Real-Time APIs or Batch processing, based on your system architecture and SLA requirements.

Integration can be designed using Real-Time APIs or Batch processing, based on your system architecture and SLA requirements.

Integration can be designed using Real-Time APIs or Batch processing, based on your system architecture and SLA requirements.

Yes. Custom field mapping and business logic, such as tax calculations, rounding, data transformation, and business-specific rules, can be configured based on your requirements.

Yes. Custom field mapping and business logic, such as tax calculations, rounding, data transformation, and business-specific rules, can be configured based on your requirements.

Yes. Custom field mapping and business logic, such as tax calculations, rounding, data transformation, and business-specific rules, can be configured based on your requirements.

Yes. The system can support high transaction volumes and peak periods through Queue, Batch, and scalable processing to meet your performance and SLA requirements.

Yes. The system can support high transaction volumes and peak periods through Queue, Batch, and scalable processing to meet your performance and SLA requirements.

Yes. The system can support high transaction volumes and peak periods through Queue, Batch, and scalable processing to meet your performance and SLA requirements.

Yes. Custom templates can be designed for multiple brands, business units, legal entities, or specific layouts, with each template tailored and tested to meet your requirements.

Yes. Custom templates can be designed for multiple brands, business units, legal entities, or specific layouts, with each template tailored and tested to meet your requirements.

Yes. Custom templates can be designed for multiple brands, business units, legal entities, or specific layouts, with each template tailored and tested to meet your requirements.

Yes. Custom documents such as Billing Notes, Delivery Notes, Abbreviated Tax Invoices from POS systems, and documents with specific QR Codes or Barcodes can be supported, subject to business and regulatory requirements.

Yes. Custom documents such as Billing Notes, Delivery Notes, Abbreviated Tax Invoices from POS systems, and documents with specific QR Codes or Barcodes can be supported, subject to business and regulatory requirements.

Yes. Custom documents such as Billing Notes, Delivery Notes, Abbreviated Tax Invoices from POS systems, and documents with specific QR Codes or Barcodes can be supported, subject to business and regulatory requirements.

Yes. Custom approval workflows can be configured by amount, department, branch, or user role to align with your organization’s internal policies.

Yes. Custom approval workflows can be configured by amount, department, branch, or user role to align with your organization’s internal policies.

Yes. Custom approval workflows can be configured by amount, department, branch, or user role to align with your organization’s internal policies.

Yes. The system supports multi-company and multi-branch operations, including separate management of legal entity, branch, and digital certificate information.

Yes. The system supports multi-company and multi-branch operations, including separate management of legal entity, branch, and digital certificate information.

Yes. The system supports multi-company and multi-branch operations, including separate management of legal entity, branch, and digital certificate information.

Yes. Access can be configured by role, department, branch, or legal entity to control document creation, approvals, data access, and reporting.

Yes. Access can be configured by role, department, branch, or legal entity to control document creation, approvals, data access, and reporting.

Yes. The system can integrate with SSO, LDAP, or Active Directory, allowing users to sign in with their corporate accounts and simplifying user management.

Yes. The system can integrate with SSO, LDAP, or Active Directory, allowing users to sign in with their corporate accounts and simplifying user management.

Yes. The system can integrate with SSO, LDAP, or Active Directory, allowing users to sign in with their corporate accounts and simplifying user management.

Security can be tailored to your organization’s requirements, including encryption, audit logs, PDPA and ISO 27001 compliance, and secure Private Key management using HSM.

Security can be tailored to your organization’s requirements, including encryption, audit logs, PDPA and ISO 27001 compliance, and secure Private Key management using HSM.

Security can be tailored to your organization’s requirements, including encryption, audit logs, PDPA and ISO 27001 compliance, and secure Private Key management using HSM.

Yes. Deployment options such as SaaS and Private Cloud can be tailored based on your organization’s data residency, security, and system management requirements.

Yes. Deployment options such as SaaS and Private Cloud can be tailored based on your organization’s data residency, security, and system management requirements.

Yes. Deployment options such as SaaS and Private Cloud can be tailored based on your organization’s data residency, security, and system management requirements.

Yes. Data migration can be planned based on data volume, historical period, file formats, and the quality of existing data.

Yes. Data migration can be planned based on data volume, historical period, file formats, and the quality of existing data.

Yes. Data migration can be planned based on data volume, historical period, file formats, and the quality of existing data.

Yes. SLA and support options can be tailored to your requirements, including business hours or 24/7 support, response times, uptime, and on-call support.

Yes. SLA and support options can be tailored to your requirements, including business hours or 24/7 support, response times, uptime, and on-call support.

Yes. SLA and support options can be tailored to your requirements, including business hours or 24/7 support, response times, uptime, and on-call support.

Pricing depends on the project scope, including system integrations, number of templates, data volume, workflow complexity, SLA, and deployment model. Our team will recommend the right solution based on your budget and business requirements.

Pricing depends on the project scope, including system integrations, number of templates, data volume, workflow complexity, SLA, and deployment model. Our team will recommend the right solution based on your budget and business requirements.

Pricing depends on the project scope, including system integrations, number of templates, data volume, workflow complexity, SLA, and deployment model. Our team will recommend the right solution based on your budget and business requirements.

Contact us

Make e-Tax simple for your business

Make e-Tax simple
for your business

Kongboonma Building, 699 Silom Road, Silom, Bangrak, Bangkok, 10500

Kongboonma Building, 699 Silom Road,
Silom, Bangrak, Bangkok, 10500

02-635-3333 ext. 2101, 2102, 2103, 2107, 2109, 2113, 2114, 2116

ebts.service@chanwanich.com

Contact us

Start using the Standard package, or request a consultation and pricing

Start using the Standard package, or request a consultation and pricing