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Definition: Change requests may occur in many forms—oral or written, direct or indirect, externally or internally initiated, and legally mandated or optional. Changes may require increasing the budget or may allow decreasing it.

Acceptance Level:  Generally accepted

Alternative or Related Terms: Scope change requests, schedule change requests, project change requests

Application Areas/Intended Uses: Cost change requests are an input into the cost control process.

Chief Advantages: Cost change requests are an inevitable aspect of most projects and a mechanism for accommodating changing project circumstances and needs.