GST  setting can be done at the event level.   On the ticket page[Event Setup/Tickets], you will see  Payment setting option on the right side Panel. Click that one and scroll  down to the bottom of the page.  You will see an option"Tax Settings". Please provide tax details  here.    If  you want the buyer to receive the  GST invoices, select the checkbox "Send Tax Invoice To Attendee "   and fill up the form below. Invoice on your behalf will be shared with the  buyer every time a transaction happens.  

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