The “Managing” management level features the following PRINCE2 processes:

Project start-up:
In the “Starting up a Project” process, the Project Brief is used by the Project Board to decide whether it is worthwhile investing the effort in initiation. “Initiating a Project” supplies the Project Initiation Documentation, which provides a basis for deciding whether to authorise the project. Once it has been authorised, this documentation represents a ‘contract’ between the Project Board and the Project Manager. It specifies the desired deliverables and forms the basis for assessing project progress.  This process also delivers the fundamental strategies that define how to handle quality, risks, configuration management and communication within the project.

Project in progress:
“Controlling a Stage” is the key process for the Project Manager. It specifies the authorisation, progress control and return of work packages, governs how to deal with the unexpected (e.g. changes) and how to manage risks, and clarifies escalation and reporting procedures. “Managing a Stage Boundary” acts as an interface process between two stages. This is another process that is allocated to the Project Manager, and it represents two simultaneous perspectives: casting a look backwards as they process the stage that is coming to an end in the End Stage Report, and casting a look forwards as they develop the next Stage Plan and its deliverables. In this process, the Project Manager documents that the business justification for the project still applies by updating the Business Case and, where applicable, the Benefits Review Plan.

Project end:
The “Closing a Project” process is also the responsibility of the Project Manager. This process once again involves the dual perspective of looking both backwards and forwards – though on a different scale to the transition from one stage to another. Looking backwards means confirming the delivery of the Project Product and its acceptance, as well as reporting how the project itself ran. All the lessons learned are recorded and compiled in the Lessons Learned Report. Looking forwards means providing the future users with all the information required to use or operate the delivered products. The updated Benefits Review Plan describes how and when the benefits expected from the project investment are to be verified, as well as specifying who is responsible for doing this.
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