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Published: SD 450.2B, Functions, Responsibilities, and Authorities (FRA) for Safety Management

This Supplemental Directive (SD) documents National Nuclear Security Administration (NNSA) roles and responsibilities in implementing safety management systems. To ensure that work is performed safely, this SD defines, identifies, and clarifies the NNSA safety management functions, responsibilities, authorities, and associated delegations within program and functional management organizations and field offices. Supersedes SD 450.2A, dated 10-20-17.