I think that a case could be made that States need to adjust laws. If Biden is not the nominee then the state was presumptuous in printing the ballot. Or the Sh#tocrats should have had their convention earlier.
Biden is not the nominee yet. So should not be on a ballot.
The real issue is that Federal election laws prevent the Bidet/Hairass campaign from transferring the cash collected to the new candidate
I believe they can transfer the money to whomever they want.
But they have to agree to do so.
I don’t see Biden doing that. Harris might night either.