1. What is E-Invoice

An E-Invoice is a digitally generated invoice that is submitted to and validated by LHDN in real time. Once validated, it becomes the official tax  document for both seller and buyer.

1. E-Invoice Key Features

1. Real-time validation by IRBM
2. Applies to B2B, B2C, and B2G transactions
3. Covers invoices, credit notes, debit notes, and refund notes.
4. Replaces manual invoices, scanned copies, and PDF documents

2. Benefits of E-Invoice

1. Simplified tax reporting
2. Enhanced data accuracy
3. Reduced paperwork
4. Easier audit paper trails
5. Supports real-time transactions monitoring

2. MyInvois Portal

MyInvois Portal is a web-based platform provided by LHDN to facilitate the issuance, validation, and management of e-Invoices.

1. Purpose of MyInvois Portal

1. Allows taxpayers to create and submit e-Invoices
2. Receive real time validation from LHDN
3. View and manage issued e-Invoices
4. Cancel or reject e-Invoices if needed with valid reasons
5. Manage taxpayer profiles, ERP and Intermediary settings

2. What is Intermediary System

An intermediary system is a software that connects your business system like POS, ERP or accounting software, to the MyInvois Portal.

Xilnex’s system automates the entire e-Invoice submission process by:

1. Integrating with POS and backend system
2. Transforming invoice data into LHDN’s format
3. Submitting data to MyInvois portal using LHDN’s API
4. Handling responses like validation, rejection, and cancellation
5. Always keeping invoice data compliant

3. Connecting MyInvois with Xilnex

1. Settings in MyInvois Portal

1. Login to MyInvois Portal
2. At the top right, you can find View Taxpayer Profile

3. Key in all the required information as below

1. Name
2. Identification type
3. Identification Value
4. Tax Identification Number (TIN)
5. Billing Address
6. Mobile Number (Optional)
7. Email Address (Optional)
8. SST Registration Number (Optional)

4. In the same page, scroll to the bottom and you will find Representatives section, and click on “Add Intermediary” link. You need to fill in the form according to the details below.

You also need to key in the Captcha and click on Continue button to proceed to next step.

Note: The name of the Intermediary must match the following details. Any missing characters, including dots, or wrong letter case, will result in a “Not Found” error

5. Tick all permissions on the next screen to allow Xilnex to manage e-Invoice on your behalf and click Save.

This will be the last step for MyInvois portal. 

2. Settings in Xilnex Portal

1. Login to your account at https://portal.xilnex.com
2. Click at the Integration from the top right menu

3. Click on the E-Invoice Setting

4. Click on the E-Invoice Profile Setup

5. Click on the Store Profile on the left, and your outlet will be listed. Choose related outlet and click on Edit.

6. You need to fill up the form according to the details in LHDN profile page. If you don’t have a business taxpayer profile, you may use an individual taxpayer profile instead.

Make sure the TIN and Identification number matched with the one that you entered in LHDN page as this information will be used to trigger the validation of the submitted document.

Save after you done filling up all the details.

7. Next step is to add your store to your profile. On the same page, click on the Store Profile. Then Click on the Add Store to add your store to your profile.

8. Select your outlet from Stores list and select the Start Date, and click on Add button. Save after you have done filling up all the details.

9. If you follow the steps correctly, you will be able to see the E-Invoice status is Active when you logged in to your outlet in Classic.

4. Common error message

Below is the common error message that you will see for submission result. This was caused by the permission that was not set at LHDN profile. You can refer to Section 3.1 (Step 5).

After you enable the permissions, you may resubmit this document and it should be validated by LHDN.