| Ex. DUT-MT-008 | Mont. Code Ann. 10-3-104General authority of governor | Montana Legislature (Montana Code Annotated, Title 10, ch. 3) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyEmergency declarationStay-at-homeBusiness closureTravel and quarantineStanding duty | Primary source read | |
| Ex. MT-087 | Senate Bill 65 (2021): COVID-19 civil liability protections for businesses, health care providers, nonprofit organizations and places of worship that take measures to protect individuals from COVID-19 and follow public health guidanceSenate Bill No. 65 (2021), COVID-19 liability protections | Montana Legislature (67th), Senate Bill 65, signed by Governor Gianforte Feb. 10, 2021 | MontanaState | Feb. 10, 2021 | 2021 Q12021 Q22021 Q3 | Workplace rulesOther | Confirmed from a secondary source | |
| Ex. DUT-MT-013 | Mont. Code Ann. 27-1-1602 (SB 65 sec. 2)Liability (COVID-19 civil liability protection) | Montana Legislature (67th), Senate Bill 65, Ch. 2, L. 2021, approved by Governor Gianforte Feb. 10, 2021 | MontanaState | Feb. 10, 2021 | 2021 Q12021 Q22021 Q3 | Standing dutyWorkplace rulesStanding dutyOther | Primary source read | |
| Ex. MT-072 | House Bill 702 (2021), An Act Prohibiting Discrimination Based on a Person's Vaccination Status or Possession of an Immunity Passport, codified at Mont. Code Ann. 49-2-312Mont. Code Ann. 49-2-312. Discrimination based on vaccination status or possession of immunity passport prohibited -- definitions (En. Sec.… | Montana Legislature (67th), HB 702, approved by Governor Gianforte May 7, 2021; 2021 Mont. Laws ch. 418 | MontanaState | May 7, 2021 | 2021 Q22021 Q3 | Workplace rulesVaccination or testing | Primary source read | |
| Ex. SEC-01-081 | House Bill 702 (2021)An Act Prohibiting Discrimination Based on a Person's Vaccination Status or Possession of an Immunity Passport | Montana Legislature (Governor Greg Gianforte signed) | MontanaState | May 7, 2021 | 2021 Q22021 Q3 | Workplace rulesVaccination or testingOther | Primary source read | |
| Ex. SEC-27-014 | House Bill 702 (2021), An Act Prohibiting Discrimination Based on a Person's Vaccination Status or Possession of an Immunity Passport, codified as Mont. Code Ann. sec. 49-2-312Unlawful discriminatory practice for a person or governmental entity to refuse services, goods, facilities, educational opportunities or… | Montana Legislature (House Bill 702, 67th Legislature), approved by Governor Gianforte | MontanaState | May 7, 2021 | 2021 Q22021 Q3 | Workplace rulesVaccination or testingOther | Primary source read | |
| Ex. DUT-MT-015 | Mont. Code Ann. 27-1-1601 (SB 65 sec. 1)Definitions ('public health guidance'; 'person'; 'premises'; 'personal protective equipment') | Montana Legislature (67th), Senate Bill 65, Ch. 2, L. 2021 | MontanaState | Feb. 10, 2021 | 2021 Q12021 Q22021 Q3 | Standing dutyWorkplace rulesStanding duty | Primary source read | |
| Ex. MT-073 | Mont. Code Ann. 50-2-116, Powers and duties of local boards of health, as amended in 2021 (HB 121: governing-body control of emergency health orders; HB 257: local rules may not compel businesses to deny customer access)Mont. Code Ann. 50-2-116. Powers and duties of local boards of health (MCA 2025 text with 2021 amendments) | Montana Legislature (67th): HB 121 (approved Apr. 16, 2021) and HB 257 (approved May 7, 2021 after an amendatory veto); codified at Mont. Code Ann. 50-2-116(4)-(9) (amd. Sec. 4, Ch. 324, L. 2021; amd. Sec. 8, Ch. 408, L. 2021) | MontanaState | May 7, 2021 | 2021 Q22021 Q3 | Events and venuesVaccination or testingOther | Primary source read | |
| Ex. DUT-MT-016 | Mont. Code Ann. 27-1-1608 (SB 65 sec. 8)Limitation on requirements | Montana Legislature (67th), Senate Bill 65, Ch. 2, L. 2021 | MontanaState | Feb. 10, 2021 | 2021 Q12021 Q22021 Q3 | Standing dutyFace-covering requirementVaccination or testingOther | Primary source read | |
| Ex. MT-042 | Temporary Emergency Rule I, MAR Notice No. 37-960 (Notice of Adoption of Temporary Emergency Rule)In the matter of the adoption of Temporary Emergency Rule I to allow students and/or their parents or guardians the ability to opt-out of… | Montana Department of Public Health and Human Services | MontanaState | Aug. 31, 2021 | 2021 Q3 | Face-covering requirementSchools and child care | Primary source read | |
| Ex. MT-085 | County COVID-19 emergency declaration of March 13, 2020 (rescinded July 2021) and county public health rules (masks; gathering limits) tightened January 2021 and no longer enforced after HB 257 (May 2021)Lewis and Clark County COVID-19 emergency declaration and public health rules | Lewis and Clark County Commissioners; Lewis and Clark City-County Board of Health and Health Officer | Lewis and Clark County (Helena), MontanaCounty | Mar. 13, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Emergency declarationGathering capFace-covering requirement | Confirmed from a secondary source | |