Wikipedia
Chain of custody (CoC), in legal contexts, refers to the chronological documentation or paper trail that records the sequence of custody, control, transfer, analysis, and disposition of physical or electronic evidence.
Particularly important in criminal cases, the concept is also applied in civil litigation—and sometimes more broadly in drug testing of athletes, and in supply chain management, e.g. to improve the traceability of food products, or to provide assurances that wood products originate from sustainably managed …
Chain of custody - Wikipedia, the free encyclopedia