Place-of-Supply Changes Between Order and Shipment: The Credit Note Problem
The buyer edits their shipping address from Pune to Ahmedabad the morning after payment, before dispatch. The invoice has already fired with CGST+SGST. What now? We walk through the credit-note-and-reissue workflow we use, the WooCommerce hook nobody listens to, and the one case we still don't have a clean answer for.


