Required Dress Rehearsal in Coordination with. Port Staff. Prior to returning to service, CSL shall conduct a tabletop exercise with the Port’s staff to ensure that all of the Port COVID-19 Safety Procedures protocols and requirements are understood by WICO and CSL staff and contractors and implemented correctly. CSL will also conduct an on-site “dress rehearsal” for Port personnel to ensure that they understand CSL proposed guest flows and the various touch points of the CSL proposed guest flows.