As per Notification .20/2019 CT Composition .Dealer is required to file CMP08 qtly & purchase is required to be reported only for those on which RCM is applicable .
yes composition dealer is required to report purchase detail in annual return i.e gstr 4........ in monthly return cmp 08 only purchases liable for RCM needs to be reported.....
Thanks a lot up coming CMP8 and annually GST4, but this question was for previous filled GSTR4 . Is there was the same rule in previous, if yes than thanks again to you both replies.