Regulatory Affairs (RA), also called Government Affairs, is a profession within regulated industries, such as pharmaceuticals, medical devices, energy, and banking. ... Pharmaceutical companies use all the data accumulated during discovery and development stages in order to register the drug and thus market the drug.Drug Regulatory Affairs refers to all aspects within the pharmaceutical development process and how they are subject to various degrees of regulation. Regulatory Affairs (RA), also called Government Affairs, is a profession within regulated industries, such as pharmaceuticals, medical devices, energy, and banking.