Cancelation of Gstin sms served today

Naimesh Thakker (5 Points)

17 August 2020  
Sir,
I received sms regarding cancelation of Gstin effective from 01/04/2019.
Notice was dt4/3/2020.
As per government notification till 30/9 2020, I can file all pending 3b without penalty,, by the time I received sms, how can I file my pending 3b returns