When determining the validity of a vessel's notice of readiness (NOR), one must consider the terms of the contract and the facts surrounding the event. In the first instance, the fundamental requirement of a valid Notice of Readiness is that the Vessel must be ready in all respects to work the cargo i.e. legally, physically and geographically. The basis of our discussion herein will focus on what constitutes the Vessel fulfilling the geographic readiness obligation, including the nuances of calling at river ports.