You are correct, there is no specific bylaw wording stating that motions created and carried at a board level are considered approved until the General ratify them.
Nominations & Elections
1. Board of Directors for the ensuing year shall take office as of November 1. is the only bylaw that applies directly to when their term begins.
By-Laws
The Board of Directors may pass By-Laws or By-Law amendments, repeals, or reenactments, not contrary to law or to the Festivals Letter Patent or supplementary Letters Patent at any time. Every By-Law, or By-Law amendment, repeal, or reenactment shall require confirmation with or without amendment at a Membership meeting duly called for that purpose. The proportion of votes necessary for confirmation varies in different situations according to law, but in no case shall be less than a simple majority of the votes cast on a particular question.
So due to the above By-Laws (the only place that specifies anything about by-laws) that would mean that the motion to leave the board governing is not a constitutional. Correct?