GST Itc 01

Sunil Killedar (34 Points)

13 August 2018  
Dear sir
I had opt out from composition in April still I have not filed return .I have huge stock I want claim itc I am filing itc 01 us 18 c but is showing error
still have I time to ITC01 ? what is time period for ItC o1 Us 18 1 c