It’s logical to expect the purchasing process to fall under the purview of the purchasing department. However, the reality is that in most organizations there are people from different departments who generate purchase orders and sign contracts. Not all procurement is done by the purchasing department.The prevailing tendency in many organizations continues to be to associate a process predominantly (if not exclusively) with one particular department. This perpetuates what has been referred to as the “silo” approach to defining the organization, where each activity is treated as a unique self-contained unit, having little interaction beyond its scope. For the purpose of definition, authorization and control, the process approach to systems management requires that a company first consider the process within the context of organizational inputs and outputs before considering how it relates to the area in which it occurs.

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