US lawSouth DakotaRegulationsTitle 20 — LABOR AND REGULATIONArticle 20:53 — PLUMBERSChapter 20:53:11 — Continuing education20:53:11:06ARSD 20:53:11:06ARSD 20:53:11:06. Hour definedLast amended: 2008Year: 2026Length: 13 wordsOfficial source Cite as S.D. Admin. R. 20:53:11:06An hour of continuing education means at least 50 minutes of classroom time.PreviousARSD 20:53:11:05NextARSD 20:53:11:07