Difference between controlled copy and un-controlled copy.

Difference between controlled copy and un-controlled copy.

Controlled copy: 
A controlled copy is a formal copy of the latest, correct issue of a document; an identified issue of a document to an individual or location of record. The controlled copy is officially tracked, updated and destroyed to assure that it is current.

Uncontrolled copy: 
An informal copy of a document for which no attempt is made to update if after distrinution; the document is marked \'uncontrolled|" and the user determines if the document is active prior to use.

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