Will there be a scale at the entrance?
No, a tape measure. We wouldn’t want to embarrass guests by weighing them.
Will you have to send in your weight in advance?
No, we wouldn’t want any fraud. Measure by the door.
Will invitations be sent based on the obvious…?
That’s a good idea. Why waste money on invitations to people who won’t be allowed in.
What if the Chasson or immediate family is overweight?
Push off the chasunah until they lose weight. Meanwhile, they can work on making shidduchim.
What’s the Halacha if they are currently on a strict diet?
No exceptions allowed, just like the rest of the takanos. Once you start allowing exceptions, the whole thing falls apart.