The COVID Project The recordJurisdictionUnited States or State (legal authority; see citation)LevelLegal authorityAuthorityMt. Healthy City School District Board of Education v. Doyle, 429 U.S. 274 (1977)Issued1977-01-11 Jan. 11, 1977In forceJan. 11, 1977 to Sept. 30, 2021Quarters2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q32020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3Limitation typesOtherCollectionLegal authorities on governmental authority AGY-LEGAL-AUTHORITY-SCOPE