US lawFederal (United States)RegulationsTitle 25 CFR — IndiansChapter I — BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIORPart 171 — IRRIGATION OPERATION AND MAINTENANCESubpart G — Non-Assessment Status171.72025 C.F.R. § 171.720For what period does an Annual Assessment Waiver apply?Last amended: 2016Year: 2025Length: 27 wordsOfficial source Cite as 25 C.F.R. § 171.720 (2025)Annual Assessment Waivers are only valid for the year in which they are granted. To obtain an Annual Assessment Waiver for a subsequent year, you must reapply.Previous25 C.F.R. § 171.715