## Documentation Index Access the complete documentation index at: https://www.zoho.com/in/books/kb/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # While generating my e-way bill, it says the TRANSIN or Transporter ID should match the regular expression. What should I do? The **Transporter ID** should be a maximum of 15 characters in length. The first two characters should be numbers between 0-9, and the remaining 13 characters should be alphabets (A-Z). **Insight:** TRANSIN or Transporter ID is a 15-digit unique number generated by the **EWB** system for transporters who have not registered under GST. A Transporter ID acts similarly to a GSTIN, and once a transporter enrolls on the e-way bill portal, the GST portal provides a Transporter ID for the transporter. Here’s how you verify your details: * Scroll down to the _Transporter Details_ section while generating e-way bills. * Click the **drop-down** next to the _Transporter_ field and click **Manage Transporters**. ![Click Manage Transporters](/in/books/kb/images/e-way-bills/manage-transporters.png) * Verify the details entered. * If you wish to add new transporter details, click **+Add New Transporter**. Learn more about validating your [transporter ID](https://ewaybillgst.gov.in/Others/TransportersSearch.aspx). * * *