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Voter Records Interchange Common Data Format Specification Version 1.0



John P. Wack


This document presents a specification for voter records data interchange related to voter registration, i.e., registration requests from online voter registration made to voter registration systems, and responses to the requests returning from the voter registration system. The specification includes XML (eXtensible Markup Language) and JSON (JavaScript Object Notation) schemas.
Special Publication (NIST SP) - 1500-102
Report Number


Common data format (CDF), FPCA, JSON, NVRA, voter registration, VVSG, XML.


Wack, J. (2019), Voter Records Interchange Common Data Format Specification Version 1.0, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed April 12, 2024)
Created November 14, 2019, Updated January 13, 2020