Forum Moderators: open
Now it's up to the editor there to review and add. If no editor at the category - eventually an editor in a higher topical will review but just quickly running through a few category around your topic will show that this could be a while, if few editors are available.
I guess if a meta or editall happens to get the original request, it might go from being listed in one category to being listed in your new desired category but that is probbaly the exception rather than the rule.
On changing Category. I was removed from my current category and put in a waiting list for another category. List was very long. I asked for an update on queue time. Another Meta came along and agreed with my position to the point that a new category section is being built. In the interim they put me back in my old category. The Meta said give them a few days to a few months to build the new cat and move everyone.
Additionally, I listed for a regional spot and that was listed in about 4 weeks.:)
Well at this point I would say if you really have a site, then stick with polite as it works………….;)
I will continue to update as this moves forward, which should give a general idea of the timeline.