4. At this maturity level, the RE process is planned, institutionalized for consistent performance, and executed in accordance with policy; involves relevant stakeholders; allocated with adequate resources; people are trained with the appropriate skills; RE process is monitored, controlled and reviewed; RE process work products are placed under appropriate levels of control; RE process adherence is evaluated; and RE status is reviewed by higher management. The process discipline reflected by this RE maturity level helps to ensure that existing RE practices are retained even during time of stress