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86 The PCB Magazine • April 2017 the accreditation anniversary date. Self-identified deficiencies and corrections are acceptable 4. Failure to submit the report of the annual PrCB design, manufacture, or assembly organization's internal audit within thirty days after completion 5. Failure to notify the PrCB EA within thirty days after significant change to management, ownership, process capabil- ity, or loss of certification to IPC-1071 An accredited organization will need to con- duct annual internal self-audits. Self-audits will be in accordance with a check list of items pro- vided by the accreditation authority. The organi- zation will record and maintain audit results and document any corrective actions necessar y, to ensure sustainment of technical capability. The self-audit is intended to be an annual activity within 90 days prior to the accreditation anni - versary date. A self-audit report will be submitted to the accrediting authority within 30 days of its completion for review and approval. Failure to submit the annual summary of internal audit ac- tivities may result in loss of accreditation. Top Down The PrCB EA recognizes that prime contrac- tors may have existing internal systems and in- ternally developed supplier approval processes which are ingrained in their supply chain man- agement system. To minimize duplicative ef- fort, a top down accreditation process was de- veloped. In the top down process, it will be the responsibility of the Prime Contractor to ensure implementation of all accreditation require- ments and procedures to their own captive de- sign, manufacture, and assembly organizations, and to all levels of subcontractors, sub-tier con- tractors, and service providers. There are many combinations and levels of contracting PrCB development and sources within the supply chain for PrCB-related products (Figure 3). EXECUTIVE AGENT FOR PCB AND ELECTRONIC INTERCONNECT TECHNOLOGY PRCB TRUST ACCREDITATION Figure 3: Supply chain for PrCB-related products.