I found this posted by Tyler in 2005 and I can't say it any better than this.
"We welcome people of all faiths and none. You get to keep whatever religious beliefs you have, and you are under no pressure to acquire any if you don't. Neither religion nor anti-religion normally come up in meeting discussion. Participants' spiritual or religious beliefs or lack thereof remain private."
The other question I am often asked is, "Is this group "anti-God or anti-12step?" I guess the best way I can answer this is that it is not "anti" anything, except perhaps anti-drug!! Many, if not most, of the people who attend the group, attend or have attended 12-step recovery meetings, myself included. It is simply a different approach to the same thing, staying clean and sober.