Risk Acceptance and Safety Documentation Review  Section 6  92 6.5_SMSM_201607  Originally published July 2016  Uncontrolled copy when downloaded Concurrence  is used to represent a technical review of the safety analysis and to confirm that  the rationale used throughout the Safety Risk Management (SRM) document is consistent with  the overall risk assessment. The concurrence signature comes from an SRM expert who is well  versed in the Safety Management System Manual and familiar with the terminology and  processes therein. The concurrence signature is not a required signature; however, Service  Areas, District Offices, or individual facilities may require a concurrence signature on their  respective SRM documents. 6.5  SRM Document Concurrence