August to Oct GSTR 1 Submit Errot

Sanjita Deb (SENIOR ACCOUNTANT) (55 Points)

08 December 2017  
Sir, I m a Regular and avobe 1.5 cr distributor ,as gst portal aug to oct Rtd submision date shows 31st Dec, but when i click submit botton it shows Error, notification come chek timeline. my query is when it will work or time not yet final for REGULAR .