Authorized Investigative Agency Law and Legal Definition

According to 50 USCS § 438 [Title 50. War and National Defense; Chapter 15. National Security; Access to Classified Information], the term authorized investigative agency means "an agency authorized by law or regulation to conduct a counterintelligence investigation or investigations of persons who are proposed for access to classified information to ascertain whether such persons satisfy the criteria for obtaining and retaining access to such information."