I believe the legal ground is that several states have cutoff dates before the Democratic Convention. Usually everyone says “oops” and deals with it like adults, but there’s room for shenanigans
Nearly half of the states have a deadline in August, and most require certification or identification of a candidate to fill a vacancy no later than September 6. Replacing a candidate’s name on the ballot in September, therefore, becomes increasingly difficult as many states will have already printed ballots or begun to allow voters to cast ballots.
Combine that with some Republicans vowing retribution when the convicted felon was removed from the ballot by a state or two, and you have something for them to try.
At least three states – Washington, Ohio and Alabama – have given notice that the Democratic National Convention will occur too late for state legal deadlines for filing the appropriate paperwork to appear on the presidential ballot.
I believe the legal ground is that several states have cutoff dates before the Democratic Convention. Usually everyone says “oops” and deals with it like adults, but there’s room for shenanigans
What are the cutoff days and have they been violated?
Edit: A quick Internet search has showed that this isn’t a thing.
This seems to be a good informal source with all the deadlines and what they are for:
https://ballotpedia.org/State_laws_and_party_rules_on_replacing_a_presidential_nominee,_2024
Democratic primary is Aug 19-22
From your article
Combine that with some Republicans vowing retribution when the convicted felon was removed from the ballot by a state or two, and you have something for them to try.
https://www.telegram.com/story/news/state/2024/07/19/changes-for-president-wont-affect-state-ballots-for-november/74461326007/