IPC-1791D standard provides minimum requirements, policies and procedures for printed board design, fabrication, assembly, and cable and wire harness assembly organizations and/or companies to become trusted sources for markets requiring high levels of confidence in the integrity of delivered products. These trusted sources shall ensure quality, supply chain risk management (SCRM), security and chain of custody (ChoC). IPC-1791 revision D includes new information on how IPC-1791 applies to the National Defense Authorization Act (NDAA) for Fiscal Year 2020 and guidance on marking for controlled unclassified information (CUI).