To the latter, correct.
To the former, the NFL has changed a whole mess of policies and procedures just recently, so who knows? But they would need to get "buy in" from the NFLPA.
I have a spit-bowl worth o' blood from where I'm biting my tongue not to comment on the NFL's recent changes, so let's go with "do as I do".
Well, biting 'til it bleeds optional.