After Swim Was told By 2 major chem suppliers That have always carried BDO, that it is no longer available and another major chem supplier now requires DEA certification to purchase. I also found this link doing a google search; http://www.pharmacy.state.or.us/newrules/855-080-0021%286%29.PDF (http://www.pharmacy.state.or.us/newrules/855-080-0021%286%29.PDF)