[RummyChick]

Is there anything left as per PA law to do ?

[DoodleDawg]

Is there anything left as per PA law to do ?

Not that I've been able to find. Once the vote has been certified then apparently it's set. Next step is to send the certificates to the Electoral College.

[nwrep]

Yes, there are a few more steps, including officially notifying the electors, officially notifying the FedGov, etc. All of those are halted.