To register a new vendor in BUSY, you can follow these steps:
1. Open BUSY and go to the "Masters" menu.
2. Select "Accounts" and then choose "Sundry Creditors" or "Sundry Debtors" depending on the type of vendor you want to register.
3. Click on the "Add" button to create a new vendor.
4. Fill in the required details such as vendor name, address, contact information, and GSTIN (if applicable).
5. Save the vendor details by clicking on the "Save" button.
6. The new vendor is now registered in BUSY and can be used for recording transactions.