E-Signature Applications (ESIGN) Help Niagara 4 Users Reduce the Risk of Failed Regulatory Audits. The ESIGN Applications Allow Niagara 4 Users to Create and Manage Controlled Audit Logs of Accurate, Time and Date Stamped, and Unalterable Data. The Niagara 4 ESIGN Applications Offer Procedural and Technical Controls Necessary for a Compli...