You can change your GST settings by going to "Settings", "Company settings" and "GST". If you created an invoice or a quote without GST and you need to turn GST on, then delete the invoice or quote and do it again.
You can change your GST settings by going to "Settings", "Company settings" and "GST". If you created an invoice or a quote without GST and you need to turn GST on, then delete the invoice or quote and do it again.