Release From Bid?

[kl10]

I went through Formal Recruitment recently, and at our school they don't allow PNM to drop a sorority, we have to rank the final two after Pref Night. I ended up getting a bid from a sorority I didn't really feel comfortable with. (Great girls, just not the place for me) Well, I received the bid, and my rho gamma told me to go to the bid day, and give them another shot. I did, but that night after leaving bid day, I decided I really couldn't see myself in that GLO for life. So I declined my bid. I've read on some of the threads here that a sorority can release a PNM from a bid, making her eligible to participate in COB in the Spring. Is this true? Also, is it Panhellenic rules to not allow PNM's to drop a sorority? My #1 choice has had a few girls drop for various reasons, and I think they'll be participating in COB in the Spring, so I was really hoping I could try.

Thanks everyone! If I missed a specific thread about this sorry, but I didn't see one dedicated to a situation like this.