Risk Acceptance and Safety Documentation Review  Section 6  Operations Managers, this is the Technical Operations District Manager or General  Manager.  (4) This table does not apply to Second-Level Engineering. Notes:  8 6  6.1_SMSM_201904  Originally published April 2019  Uncontrolled copy when downloaded (1) When the predicted residual risk is unacceptable (high), AOV approval is not required. (2) Per Safety Management System policy, a high predicted residual risk is unacceptable and the NAS change in question must not be implemented. The SMTS submitter is responsible for notating this in SMTS and closing out the safety analysis. (See the SMTS User Manual.) (3) Signature responsibility may only be delegated from a Director to a Deputy Director. (4) For local changes, the SRM document is signed one level above the ATM at the facility completing the SRM document. For ARTCC ATMs, this is the Service Area Director of Operations; for Terminal ATMs, this is the District Manager or General Manager; and for Technical Operations Managers, this is the Technical Operations District Manager or General Manager. Type of Change  Required SRM Document  Approval Signatures Local (4)  ATMs or Technical Operations  Managers of the affected  facilities  National  Headquarters Director(s) of  the affected Service Unit(s),  ATO Chief Safety Engineer  Table 6.4: Signatures for SRM Document Approval for Proposed NAS Changes Only  (Use with safety analyses with unacceptable [high] predicted residual risk) (1) (2) (3) 