For example, take the LIRR. (I know people who have family that work for them)

They get a free LIRR "family" ID card which picture which they can use to ride the rails for free.

What they cannot do however is use this pass for daily commutation. If a family member has to travel the LIRR daily to get to work, they should not, by the book, be able to use this card.

I wonder if the DOT benefit is similar. i.e. can be used for the occasional parking need but not used as a function of daily parking.

Just a thought.