This CIP4 JDF Interoperability Conformance Specification (ICS) defines the interoperability requirements for JDF Commercial WebPrinting (Web/Rotary Offset Printing). This ICS defines the Conformance Requirements for an implementation of a JDF Device that consumes Job Tickets for commercial WebPrinting, and returns the Job Tickets. This ICS defines two conformance Levels. The first level, describes the conventional plate handling and the second describes direct imagining on a press.