1-100. Purpose. This Manual: a. Is issued in accordance with the National Industrial Security Program (NISP). It prescribes the requirements, restrictions, and other safeguards to prevent unauthorized disclosure of classified information. The Manual controls the authorized disclosure of classified information released by U.S. Government Executive Branch Departments and Agencies to their contractors. It also prescribes the procedures, requirements, restrictions, and other safeguards to protect special classes of classified information, including Restricted Data (RD), Formerly Restricted Data (FRD), intelligence sources and methods information, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) information. These procedures are applicable to licensees, grantees, and certificate holders to the extent legally and practically possible within the constraints of applicable law and the Code of Federal Regulations (CFR). b. Incorporates and cancels DoD 5220.22-M, Supplement 1 (reference (ab)).