Waiver of late fee

As per the latest update only late fees are waived and not the interest.  Therefore, if the return is with nil liability and still its calculating interest you may raise a ticket and they get it resolved.

Late fees for Gstr3b is waive off from jul17-jul20
in case of Nil return- Fully waive off
In case of tax liability -500/- maximum

If it's showing more than above mentioned.
Than you can refresh the page or try to file it after few days. If even after that the portal shows late fees, then contact GST Help desk...

Waved off all previous late fees. Maximum tax liability is Rs. 500 only

Note : Rs. 500 per month per return_ For return which is not Nil
If Nil , than for that month Nil Liability.