The Drug Enforcement Administration is pleased to provide you with the 2010 edition of the Pharmacist's Manual to assist you in understanding the provisions of the Controlled Substances Act (CSA) and its implementing regulations. This manual will answer questions you may encounter in the practice of pharmacy and provide guidance in complying with the CSA regulations. This edition has been updated to include information on the provisions of the Combat Methamphetamine Epidemic Act of 2005, the Ryan Haight Online Pharmacy Consumer Protection Act of 2008, and the Interim Final Rule entitled Electronic Prescriptions for Controlled Substances. Your role in the proper dispensing of controlled substances is critical to the health of patients and helps protect society against drug abuse and diversion. Your adherence to the CSA, together with its objectives and your compliance, is a powerful resource for protecting the public health, assuring patient safety, and preventing the diversion of controlled substances and...