Throughout the project duration, time, cost, quality, benefits, risk and scope are the six aspects of a project that require management. Project Management provides best practice guidance on how to manage these six aspects.
Even after the delivery of the project product, the realisation of benefits needs to be managed.
The Benefits Review Plan is the management product that takes over from the Business Case when the project is closed. The benefits in the business case are managed with the help of the Benefits Review Plan.