Executive Order 10450, Security Requirements for Government Employment, April 27, 1953 Requires that all persons employed in Government departments and agencies be reliable, trustworthy, of good conduct and character, and of complete and unswerving loyalty to the United States
Executive Order 12968, Access to Classified Information, August 2, 1995 Establishes a uniform Federal personnel security program for employees who will be considered for initial or continued access to classified.
Executive Order 13467, Reforming Processes Related to Suitability for Government Employment, Fitness for Contractor Employees, and Eligibility for Access to Classified National Security Information, (June 30, 2008). Expanded on IRTPA requirements to further align and guide reform efforts within Government
Executive Order 13488, Granting Reciprocity on Excepted Service and Federal Contractor Employee Fitness and Reinvestigating Individuals in Positions of Public Trust, (January 16, 2009). Complements EO 13467 by further aligning reciprocity to the extent possible between security clearances and Fitness, Public Trust determinations.
Presidential Memorandum for the Heads of Executive Departments and Agencies and the Assistant to the President for National Security Affairs, dated February 5, 2008, Subject: Security Clearances. Directs the Reform Effort principals to produce a comprehensive reform proposal establishing comprehensive credentialing, security clearance, and suitability processes.