Recertification

Re-examination, and possibly retesting, of a voting system that was modified after being previously certified. The object of recertification is to determine if the system as modified still conforms to the requirements.

Source: Election Terminology Glossary - Draft, National Institute of Standards and Technology (NIST), https://pages.nist.gov/ElectionGlossary/; Glossary of terms database, U.S. Election Assistance Commission, https://www.eac.gov/glossary/