IPC-1791C 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-1791C includes updates to perimeter security, repeat orders, management of sample materials.