The
United States government classification system is established under , the latest in a long series of
executive orders on the topic. Issued by
President Barack Obama in 2009, Executive Order 13526 replaced earlier executive orders on the topic and modified the regulations codified to 32 C.F.R. 2001. It lays out the system of classification, declassification, and handling of
national security information generated by the U.S. government and its employees and contractors, as well as information received from other governments.