PMBOK 12.1
WBS 3.2.2.20
 Process Plan Purchases and Acquisitions PMBOK

usesTechniqueFamily
inProcessGroup
Planning
usesTechnique
+
Expert judgement, Expert judgement on project chartering, Make-or-buy analysis
Expert judgement

Judgement of people skilled and experienced in the area.
Expert judgement on project chartering

Judgement of people skilled and experienced in the area.
processesInput
+
Activity attributes, Activity Cost Estimates, Activity resource requirements, Cost baseline, Enterprise Environmental factors, Organizational process assets, Project management plan, Project schedule, Project scope statement, Risk Register, Risk-related contractual agreements, WBS dictionary, Work Breakdown Structure
Activity attributes

One or more attributes associated with each schedule activity that can be included within the activity list.
Activity Cost Estimates

Estimates for the cost of completing each schedule activity
Activity resource requirements

List identifying and describing the types, quantities and timing of the resources required for each activity in a work package.
Project scope statement

Narrative description of the project scope, invluding major deliverables, projet obectives, assumptions, constraints, and a statement of work. Also includes methods of acceptance and scope control.
producesOutput
Contract Statement of Work, Make-or-buy decisions, Procurement management plan, Requested changes
inKnowledgeArea
Project Procurement Management
PMBOK Rendering of a Protege2000 model based on the 2004 Guide to the PMBoK, Wikipedia, and a myriad of other sources.
Intended for private study only.