This recommended practice (RP) applies to contracts employing the Electronics Industries Alliance (EIA) - 748 Earned Value Management Systems (EVMS) guidelines or the equivalent. It takes precedence over other TCM Framework guidance when EIA-748 is required. It provides an overview of the concept of earned value and its application in accordance with the EIA-748-C earned value management system (EVMS) standard. EIA-748-C contains 32 guidelines that are interrelated. This RP provides an overview of the EIA-748-C guidelines 1-32 and provides a comparison with the Total Cost Management (TCM) Framework.