The document summarizes key aspects of cGMP (current good manufacturing practices) regulations for pharmaceutical products as outlined in parts 210 and 211 of Title 21 of the Code of Federal Regulations. It discusses the responsibilities of quality control units in approving materials, facilities, equipment, processes, records and reports. Key duties of the quality control unit include approving or rejecting components, manufacturing procedures, specifications, drug products and investigating complaints. The quality control unit is meant to function independently to ensure products are made correctly and meet all necessary standards.