32 CFR § 2001.50
Telecommunications automated information systems and network security
July 1, 2020
Each agency head shall ensure that classified information electronically accessed, processed, stored or transmitted is protected in accordance with applicable national policy issuances identified in the Committee on National Security Systems (CNSS) issuances and the Intelligence Community Directive (ICD) 503, Intelligence Community Information Technology Systems Security Risk Management, Certification, and Accreditation.