Ballot rotation

The process of varying the order of listed candidates within a contest. This allows each candidate to appear first on the list of candidates an approximately equal number of times across different ballot styles or election districts.

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/