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How to Send a Withholding Tax Certificate for Service Fees to PEAK [NS003]

Learn how to send a withholding tax certificate for service fees to PEAK after completing your payment.

Updated this week

Sending a withholding tax certificate for PEAK Online Accounting service fees can be done in 2 ways, as follows:

What is a Withholding Tax Certificate?

A withholding tax certificate is a document issued by the payer to the payee to confirm that withholding tax has been deducted as required by law before the payment is made.

This document serves as evidence for the payee and can be used when filing the annual tax return to claim a tax refund or pay additional tax if applicable.


Should the withholding tax rate be 3% or 1%?

For companies paying for the PEAK software or service fees (corporate withholding tax – PND 53), the withholding tax rate should be:

  • 3% for the standard withholding tax deduction

  • 1% for companies using the electronic withholding tax (e-Withholding Tax) system

Method 1: Upload the Withholding Tax Certificate in the PEAK System

1.1 Submit the Withholding Tax Certificate by going to Settings

After logging in to PEAK, click “Settings” in the top-right corner. Then select “Upgrade/Extend Package”, and click “History” to access the payment details page where you can upload the document.

1.2 Click “+ Attach File” to upload the withholding tax certificate

  • On the History page, click the “+ Insert” button to upload the withholding tax certificate. The system will display a pop-up window for you to enter the required information.

1.3 Enter the information in the pop-up and upload the file

After clicking “+ Insert,” a pop-up window will appear. Please complete the required information:

  • Withholding Tax Date: Enter the date the withholding tax was applied.

  • Withholding Tax No.: Enter the certificate number.

  • Upload Withholding Tax File: Upload the withholding tax certificate document.

Then click “Confirm.”

Method 2: Upload via Online Form

This method is suitable if the withholding tax was not deducted initially.

You can submit the document through the online form: Click here to access the form.

2.1 After Uploading the Withholding Tax Certificate

Once you have completed either method, you may send the original document to the following address:

P U U N Intelligent Co., Ltd. (Head Office)
Fortune Town Building (CP Tower 2), 14th Floor
1 Ratchadaphisek Road
Din Daeng, Din Daeng
Bangkok 10400, Thailand

Document Submission Contact: +66 82 528 2939

2.2 Tracking Your Receipt / Tax Invoice After Submitting the Withholding Tax Certificate

After PEAK receives the withholding tax certificate, you can track your receipt/tax invoice within 7 business days through the following channels:

2.2.1 Email of the User Who Upgraded/Extended the Package

PEAK will send the receipt/tax invoice in electronic format (E-Tax Invoice) to the email address of the user who upgraded or extended the package within 7 business days after the upgrade or renewal.

2.2.2 On the PEAK System

You can also download the receipt/tax invoice for the PEAK online accounting program directly from the system by following the guide on how to download the receipt/tax invoice from the system.

– End of the Withholding Tax Certificate Submission Process –

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