FAQs
FAQs Frequently Asked Questions
What is TrueBusiness iService?
TrueBusiness iService simplifies business operations for corporate customers, allowing easy account and service management. Users can track transactions, monitor usage, download reports, and handle billing and payments securely online. This efficient and secure solution minimizes paperwork and streamlines workflows, supporting all business needs with its “One Stop Self-Service” model.
Key Features of TrueBusiness iService for True Corporate Customers
- Convenient - Manage your business effortlessly from anywhere at anytime.
- Easy - User-friendly with flexible tools to meet your business needs.
- Secured - Strong encryption and verification for enhanced data safety.
- Fast - Quickly monitor and manage your usage in real time.
- Sign up for TrueBusiness iService Click here
- Registration & User Guide for TrueBusiness iService Click here
What is TrueBusiness iService?
Step to Register
Payment options for corporate customers
Pay online easily with TrueBusiness iService. Receive your e-receipt instantly and handle withholding tax effortlessly. Just register, activate e-Bill and e-Tax, and start paying through TrueBusiness iService

For customer who appoint True as a withholding tax agent or handle withholding tax submissions themselves.

Pay via TrueBusiness iService
- Register for TrueBusiness iService
-
Select "Bill & Pay" menu and choose payment channel
- Pay via PromptPay QR Code
- Pay via Credit/Debit Card
2.1 Paying via PromptPay QR Code- Select the bills to pay (up to 50 bills, not exceeding 150,000 THB).
- Filter by product or search by branch name/branch ID or account name/account number.
- Tap Generate PromptPay QR Code, then scan the QR code to make a payment.
- Once payment is successful, the confirmation page will be displayed, and you can check your payment history.
2.2 Paying via Credit/Debit Card- Select the bills to pay (up to 50 bills, not exceeding 25,000 THB). Accepted cards: VISA, MASTERCARD, and JCB.
- Filter by product or search by branch name/branch ID or account name/account number.
- Enter card details or save the card for future payment.
- Once payment is successful, the confirmation page will be displayed.
- Get a receipt / tax invoice Receive instantly via SMS/email as an e-Tax invoice upon registration, or within 5 business days by mail.


- Required documents for payment
- Billing invoice, service number, or customer ID
- Original withholding tax certificate
- Payment amount
- If handling withholding tax submissions yourself: Pay the amount after tax deduction.
- If appointing True as a withholding tax agent: Pay the full amount as billed.
- Receive a receipt / tax Invoice instantly
Find True Shop locations Click here
For corporate customers who appoint True as a withholding tax agent only.

Auto Debit from Bank Account / Credit Card
- Request Submission: For automatic credit card deduction, email TrueBusiness1239@truecorp.co.th For bank account deduction, visit any True Shop branch.
- Payment Amount: Full amount will be deducted from the bank account or credit card as billed.
- Receipt / e-Tax Invoice Delivery: Sent instantly via SMS/email or by mail within 5 business days to the address on billing invoice.
Appoint true as a withholding tax agent

How to appoint True as your withholding tax agent
- Download the Withholding Tax Agent Appointment Agreement
- Complete the appointment section, have it signed by an authorized director, apply the company seal, and attach the document detailing the request for payment of stamp duty in cash for electronic instruments (Form A.S.9) and Send the application to truebusiness1239@truecorp.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.
- Processing Time: The appointment will take effect within 5 business days (applicable to all services under the service type specified under specified Business ID in the appointment form).
- Keep the original document with the customer.
- 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.
- Download the Withholding Tax Agent Appointment Agreement by service type TrueMove H (TH), True Online (TH), True Visions (TH), TrueMove H (Eng), True Online (Eng), True Visions (Eng)
- Example of filling out the “Withholding Tax Agent Appointment Agreement”. (Download here)
- Guidelines for requesting e-stamp duty (Form A.S.9) (Download here) and an example of the document detailing the request for payment of stamp duty in cash for electronic instruments. (Download here)
- Electronics Receipt / Tax Invoice: Click to view the sample
- Find True Shop, True Center at Makro, and True Shop at 7-Eleven near you: Click here
- New withholding tax rate of 3% for service payments effective October 1, 2020: Click here
How can TrueBusiness customers pay bills at True Shop in 7-Eleven
TrueBusiness offers convenient bill payment for corporate customers at True Shop in 7-Eleven. Pay with cash, credit cards (all branches), or cheques (only at 125 branches in Bangkok). Service is available from 10:00 AM to 5:00 PM.
How to pay your bill
- Have your billing invoice and withholding tax certificate ready.
- Pay with cash, credit card, or cheque and instantly receive your receipt/tax invoice.
Note: Enjoy greater convenience for customers who appoint True to withhold and remit taxes, payments can be made at banks,
all Counter Service branches, and these channels. Click here
FOR MORE INFORMATION
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