It doesn't cost anything. You can register at www.dcpalumni.com. You have to be an alumni from the U.S. and successfully completed the DCP and in good standing. they will send you a t-shirt and other membership goodies once you register!
Have you tried these places? I think they are very busy with alumni registration so maybe trying to PM the admin of facebook group? It is Marcie LemkeHey everyone, I have requested admittance to the Alumni page twice now. I finished my program in June and was never contacted about any problems so I believe I'm in good standing. I've tried getting in touch with the Facebook page, but nothing has come of it. Does anyone know how to get in contact with them?
dcpalumni.com