What are the TWO main uses of a PID?

The Board of organisation Y has authorised an upgrade to its computerised finance system.

The Finance Director, X, has been tasked with managing this project. X has been requested to consult with stakeholders, in order that a Project Initiation Document (PID) may be produced.

What are the TWO main uses of a PID?
A . To ensure that the project is broken down into work packages and a Work Breakdown Structure be produced.
B . To produce a risk assessment of both internal and external risks that are likely to effect the project, and alternative actions to reduce the risks.
C . To ensure that the project has a complete sound basis before any major commitment to
the project.
D . To act as a base document against which the project can be managed for progress, change management issues, and ongoing viability issues.

Answer: C,D