I just looked over the decision and I did not see a deadline date, so it looks like Sullivan would not be disobeying it if he ignores it for a few weeks or a few months or ... January, 2021 approacheth, and if it brings a different POTUS ...
i don't think Sullivan can count on a nice, easy, peaceful life if he tries that. After a reasonable time (another week), Powell will be back at the appeals court, and will get either a firmer order with a deadline, or the appeals court will outright rule on it and throw the case out themselves. Leaving Sullivan both moot and mute. That would be cool.