Abstract: The invention generally relates to a computer-implemented system, and method for its use, for facilitation of procedural compliance with critical tasks, including the use of a computer having an interactive compliance application that enables both computer algorithm implemented checklists and human-aided checklists for procedural discipline and verifiable compliance in normal, emergency and work instruction situations. The computer is coupled for intercommunication to a plurality of stations or clients from which respective authorized users each have a browser-based interface with the computer.