want to amend same invoice second time

shubhangi Rehekwar (19 Points)

30 March 2019  
if I already amended an invoice of F. Y 2017-18 in August GST period then the portal does not allow to amend the invoice in September GST period. Showing error message "already amended in last tax period so not allowed now".what what is the solution?

please let me know asap...