I’ll take your word for it—I don’t know the details. I had read he was trying to get the law changed so he could run, otherwise he would have o resign to run. That is why I thought he was waiting to jump into the race. We’ll see what happens.
Interestingly, here's an earlier version of the same PDF that shows that prior to 2019, the law allowed candidates for federal office to run without any resignation, so one might ask why the law was changed in the first place:
It's an interesting thought experiment to consider that in a presidential race, the law may not even apply because of the defintion of the word "qualify" - as discussed HERE.