US lawMinnesotaRegulationsDEPARTMENT OF HEALTHChapter 4620 — CHAPTER 4620, CLEAN INDOOR AIR4620.5100Minn. R. 4620.5100APPLICATIONLast amended: 2012Year: 2026Length: 13 wordsOfficial source Parts 4620.5000 to 4620.5900 apply to owners or operators of indoor motorsports arenas.PreviousMinn. R. 4620.5000NextMinn. R. 4620.5200