This Code Case establishes the requirements for preserviceand inservice testing to assess the operationalreadiness of active motor-operated valves (MOVs) inlight-water reactor (LWR) power plants.The MOVs covered are those required to perform anactive function in shutting down a reactor to the safeshutdown condition, in maintaining the safe shut-downcondition, or in mitigating the consequences of anaccident.This Code Case establishes test methods, test intervals,parameters to be measured and evaluated, acceptancecriteria, corrective actions, and recordsrequirements.