• The methods used in, or the facilities or controls used for, the manufacture, processing, packing or holding of a drug conform to or are operated or administered in conformity with current good manufacturing practice to assure that a drug meets the requirements of the act as to safety, and has the identify and strength and meets the quality and purity characteristics which it purports or is represented to possess, as required by section 18 (a) of the Food, Drug and Cosmetic Act (Republic Act 3720).