The Reference Number Variation Code (RNVC or VC) is a code to indicate whether the cited Reference Number is or is not item identifying or if it is for information only.
Note: These codes are available in the document, FEDERAL LOGISTICS INFORMATION SYSTEM - FLIS PROCEDURES MANUAL MULTIPLE APPLICATION REFERENCES/INSTRUCTIONS/TABLES AND GRIDS, JULY 2003, DoD 4100.39-M Volume 10.