I will take a guess.
Zero.
Programs are programs.
Sponsor programs are different than mailer programs.
Different business. You prolly asking the wrong department.
Consult with the legal department perhaps.
Read the fine print maybe in what ever deal ya had. I am sure you got attornies to look through it all and explaine it.
But then I am not a pro in such matters.
Say's the Cheerleader that doubles as a retired running back.