Training Videos Accessing Aptys System Administration of Aptys System Derived Returns & NOCs Manual Returns & NOCs Upload Return File Create Work File - Spreadsheet Create Work File - Manual Receipt File Detail Report Receipt File Processing Return to microsite Home » ACH Contingency » video-Derived Returns & Notifications of Change (NOC) ACH Contingency Derived Returns & Notifications of Change (NOC) For the best viewing experience, please watch the video in full-screen mode.