MA-5(3)—Citizenship Requirements For Classified Systems
>Control Description
Verify that personnel performing maintenance and diagnostic activities on a system processing, storing, or transmitting classified information are U.S. citizens.
>Supplemental Guidance
Personnel who conduct maintenance on organizational systems may be exposed to classified information during the course of their maintenance activities. If access to classified information on organizational systems is restricted to U.S. citizens, the same restriction is applied to personnel performing maintenance on those systems.