2019 ump rules

Does anyone have a clue or inside on when Ump will release their rules for the 2019 season hate to work on a race car just to change it all a month before the season starts
I just don’t understand why they can post the rules like now or first of dec and state that they are nt in effect until after volusa or a certain date give everyone time to get stuff ready I’m sure they know what rules they want to change or modify
Ok c I’ve heard that rumor to what do they mean by flat decks will you have to have a level on it will you be able to unhook shocks when they measure so the car itself is flat nt semi rolled over will they measure off the frame? This is why we need rules now and explanation of how it is going to be checked