You can mention the GST number in the BUSY software in two ways.When creating a company,you can enable GST and mention your GST number. Afterward, it will automatically be filled in your GST/VAT details.If you forget to mention your GST number when creating the company, you can still add it later.
Step 1:Go to Display Menu,
Step 2:Click Configuration,
Step 3:Click Features and Options
Step 4:Click GST/VAT Tab,
Step 5:Here, You can mention your GSTIN NUMBER and other details in this window then save.