Troubleshoot and resolve unexplained declined cards and failures.
Troubleshoot and resolve issues that redirect users to an incorrect page.
Change the sales tax rates on future generated invoices. You may need to do this if your local government changes your sales tax rates.
Configure WHMCS to charge the required Goods and Services Tax (GST) on purchases and collect GST Identification Numbers (GSTINs) in India.
Enable taxes in an individual product's configuration. WHMCS will not add taxes to each of your products until you enable them.
Update WHMCS's tax configuration when sales tax rates change. Make sure to do this as close to midnight or the system cron run as possible.