Which 2 models are "allowed" in the communist state of Mass.? I would think it's all or none. The internals should all be the same.
Oh there you go, thinking again.
You should know that's not the way when dealing with governments. Logic has no place.
I breezed through 2 years of tax classes and tutored many students to good grades with two simple sentences: Leave "fair" at the door when you come into the class room. When faced with a choice of what's fair and what's good for the IRS, pick the IRS.