Okay, super curious about Senator Ha’han-ash. At first I thought that was the Senator that called for the vote. But I made a quick reread and that was Sen. Mandai. So how did Ha’han-ash get the role? And asking for clarity, I presumed from TPM that the no-confidence vote had to be called by an outside power, i.e. Qn Amidala, or else that might happen all the time. I can easily accept otherwise, but thoughts?
Basically, Senators interested in the job (basically, Senators who would have entered the “election race” so to speak, had it been a regular election) got put on a list and then they drew a random name from that list. So that’s how Ha’han-ash got the job.
As for who can call a Vote of No-Confidence, it’s pretty unclear in canon, but I’ve decided to go with Senators as well as the leaders of the member worlds. However, a Vote of No-Confidence isn’t something you do all willy-nilly. It’s a serious thing to do, and it will invite scrutiny to whoever calls it.
Also, I’ve decided to have it so that if a Senator calls for the vote, they’re not eligible to run should a new Chancellor need to be instated (which is why Palpatine counselled Padmé to do it. If he did it himself, he couldn’t run for Chancellor and that would kinda ruin his whole plan).
Usually, for a Senator to call for a Vote of No-Confidence, they want to have some back-up. Like how Senator Mandai had 134 other systems who stood behind her in calling the vote.