What can go wrong if the purchasing process is not followed?

"Audit planning is a vital area of the audit primarily conducted at the beginning of audit process to ensure that appropriate attention is devoted to important areas, potential problems are promptly identified, work is completed expeditiously and work is properly coordinated. "Audit planning" means developing a general strategy and a detailed approach for the expected nature, timing and extent of the audit. The auditor plans to perform the audit in an efficient and timely manner. ...
An Audit plan is the specific guideline to be followed when conducting an audit. It helps the auditor obtain sufficient appropriate evidence for the circumstances, helps keep audit costs at a reasonable level, and helps avoid misunderstandings with the client.
It addresses the specifics of what, where, who, when and how:
What are the audit objectives?
Where will the audit be done? (i.e. scope)
When will the audit(s) occur? (how long?)
Who are the auditors?
How will the audit be done?" [Audit plan. Wikipedia]
The audit planning flowchart example was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Audit Flowcharts solution from the Finance and Accounting area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ finance-audit-flowcharts

"A Guide to the Project Management Body of Knowledge - Fifth Edition provides guidelines for managing individual projects and defines project management related concepts. It also describes the project management life cycle and its related processes, as well as the project life cycle.
The Guide recognizes 47 processes that fall into five basic process groups and ten knowledge areas that are typical of almost all projects.
The five process groups are:
Initiating,
Planning,
Executing,
Monitoring and Controlling,
Closing.
The ten knowledge areas are:
Project Integration Management,
Project Scope Management,
Project Time Management,
Project Cost Management,
Project Quality Management,
Project Human Resource Management,
Project Communications Management,
Project Risk Management,
Project Procurement Management,
Project Stakeholders Management (added in 5th edition).
Each of the ten knowledge areas contains the processes that need to be accomplished within its discipline in order to achieve an effective project management program. Each of these processes also falls into one of the five basic process groups, creating a matrix structure such that every process can be related to one knowledge area and one process group." [A Guide to the Project Management Body of Knowledge. Wikipedia]
The flow chart example "Project management life cycle" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Flowcharts solution from the area "What is a Diagram" of ConceptDraw Solution Park.