gst invoice Date revise

mohammad tarique sohail (accountant) (196 Points)

18 September 2018  
in GST B2B I raised invoice in April 18. (1)02/04/2018 bill no. 03 .( 2) 26/04/2018 bill no. 1. (3) 05/05/2018 bill no. 2 . how to revise/ amend this .