Change control within quality management systems (QMS) and information technology (IT) systems is a formal process used to ensure that changes to a product or system are introduced in a controlled and coordinated manner. It reduces the possibility that unnecessary changes will be introduced to a system without forethought, introducing faults into the system or undoing changes made by other users of software. The goals of a change control procedure usually include minimal disruption to services, reduction in back-out activities, and cost-effective utilization of resources involved in implementing change.
A contract document amendment is an update to an existing executed contract document. Amendment processing occurs after you execute the original contract document. An amendment update can result from changes in source transactions or changes in contract terms in the document.
Document amendment capability is available for all documents when you are not using document types. When you are using document types, amendment capability is available for documents that use document types that have been selected to use Full Life Cycle Statuses on the Document Type page.
Document ammentment is a process for any change in a documents. Change control is a documentation to track the changes made in an existing process with proper justification and evaluations of its impact of the intermediate and finished product. Definately, relevent documents ammentment is required for the change control.
In this way document ammentment is a part of change control.