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dtac MyBusiness

Easy Business Package Management

Your All-in-One
Business Management
Solution

Easily manage accounts, track usage, download reports, handle billing, and make secure online payments all in one place. dtac MyBusiness streamlines operations, reduces paperwork, and ensures security at every step, a complete One-Stop Self-Service solution for all business needs.
Package Management: Manage your packages with ease
Package Management
Manage your packages with ease.
  • Change your main package or subscribe to add-ons
  • View call and data usage for each number on a single screen
  • Stay on top of your monthly spending
E-Invoice: Switch to e-Invoice for convenience
E-Invoice
Switch to e-Invoice for convenience.
  • Check past invoices anytime
  • No more worries about delayed documents sent by mail
Withholding Tax: Let dtac handle your withholding tax
Withholding Tax
Let dtac handle your withholding tax.
  • Issuance of withholding tax certificates
  • File P.N.D. 53 tax forms
  • Submit withheld tax payments for you
Online Payment: Pay your bills online conveniently
Online Payment
Pay your bills online with MyBusiness.
  • Pay with a credit/debit card
  • Convenient, fast and secure
Hassle-free tax withholding: dtac takes care of it for you.

Key Service Features

  • Manage your package by yourself.
  • Switch to receiving your bill via email
    convenient, fast, and accessible anytime.
  • Hassle-free tax withholding,
    dtac takes care of it for you.
  • Seamless online payments via MyBusiness.
Financial Services
Appointing True as a Withholding
Tax Submission Agent
Appointing True as a Withholding Tax Submission Agent
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Appointing True as a Withholding Tax Submission Agent

dtac business customers can authorize True to handle withholding tax submissions, making bill payments more convenient and efficient. This helps save time on paperwork and eliminates concerns about withholding tax submissions.
1
How to appoint True as your withholding tax agent
1. Download the Withholding Tax Agent Appointment Agreement
Thai Language Form: Click
English Language Form: Click
2. Complete the appointment section, have it signed by an authorized director, apply the company seal
3. Request for Payment of Stamp Duty in Cash for Electronic Instruments (Form A.S.9)
4. Submit the agent appointment agreement and the document detailing the request for payment of stamp duty in cash for electronic instruments (Form A.S.9) at a Shop, or scan all documents and send them via email to dtacbusiness1431@dtac.co.th with the subject line: Application for Appointment of True as Withholding Tax Agent, including the Business ID, Taxpayer Identification Number, or Company Name.
5. Processing Time: The appointment will take effect within 5 business days (applicable to all services under the specified Business ID in the appointment form).
6. Keep the original document with the customer.
7. Upon completion of the company's procedures, a fully executed copy of the agent appointment agreement will be sent back to the client via the email address specified in the agreement.