This might end up having to go to SCOTUS.
Trump needs to be certified the winner legally.
EDIT
Before you rag about SCOTUS compromised:
Why is the current ending the current ending? Is it a coincidence that it comes down to this? Are we certain their rejection of the case wasn't pre-planned?
If 'inaugurated as pres of defunct "US Corporation", then he's boss of nothing. Just giving the old dog a rubber rat to chew on.