| Ex. DUT-MT-027 | Directive Implementing Executive Order 2-2021 (Feb. 12, 2021; rescinding and replacing all prior directives) (cross-reference to Ex. MT-021)Directive of February 12, 2021: General Masking; Phased Reopening no longer in force; Public Gatherings; Businesses | Governor Greg Gianforte | MontanaState | Feb. 12, 2021 | 2021 Q12021 Q2 | Standing dutyWorkplace rulesOther | Primary source read | |
| Ex. MT-021 | Directive Implementing Executive Order 2-2021 (Feb. 12, 2021; rescinding and replacing all prior directives)Directive Implementing Executive Order 2-2021 | Governor Greg Gianforte | MontanaState | Feb. 12, 2021 | 2021 Q12021 Q2 | Telework mandateHealth care ordersAlcohol and barsCourts and public officesWorkplace rulesSupply chainOther | Primary source read | |
| Ex. MT-081 | Board of Health revision of COVID-19 mitigation requirements (Feb. 18, 2021): mask mandate retained; event capacities raised from 25 to 50 indoor and 100 outdoor; general business capacity limits removed except where needed for distancing; fitness facilities, pools, worship, personal care, restaurants and bars permitted with modificationsMissoula City-County Board of Health revision of Feb. 18, 2021 | Missoula City-County Board of Health; Ellen Leahy, Health Officer | Missoula County, MontanaCounty | Feb. 18, 2021 | 2021 Q12021 Q2 | Capacity limitGathering capFace-covering requirement | Confirmed from a secondary source | |
| Ex. DUT-MT-005 | Mont. Code Ann. 50-2-118Powers and duties of local health officers | Montana Legislature (Montana Code Annotated, Title 50, ch. 2) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureGathering capEvents and venuesQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MT-007 | Mont. Code Ann. 50-2-124Penalties for violations | Montana Legislature (Montana Code Annotated, Title 50, ch. 2) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyStanding duty | Primary source read | |
| Ex. DUT-MT-029 | Mont. Code Ann. 50-2-116 (Powers and duties of local boards of health) (cross-reference to Ex. MT-073)Powers and duties of local boards of health, including the 2021 limits of subsection (5) and the enforcement saving clause of subsection (7) | Montana Legislature (Mont. Code Ann. 50-2-116, as amended by Ch. 324 and Ch. 408, L. 2021 (HB 121, approved Apr. 16, 2021; HB 257, approved May 7, 2021)) | MontanaState | Apr. 16, 2021 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureQuarantine and isolationStanding dutyOperating condition | 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. MT-077 | Phase Two reopening emergency rule (bars, restaurants, casinos, breweries and distilleries closing at 10 p.m.; 50 percent capacity), as amended April 2021 (eight per table; bar-stool spacing 3 feet), and Board action removing the enforcement mechanism of the Quarantine and Isolation Rule and the nursing-home visitation rules (April 2021)Gallatin City-County Board of Health Phase Two reopening rule and April 2021 amendments | Gallatin City-County Board of Health | Gallatin County, MontanaCounty | Apr. 19, 2021 | 2020 Q42021 Q12021 Q2 | Capacity limitGathering capHealth care ordersCurfew and hoursQuarantine and isolation | Confirmed from a secondary source | |
| Ex. DUT-MT-030 | Mont. Code Ann. 49-2-312 (cross-reference to Ex. MT-072)Discrimination based on vaccination status or possession of immunity passport prohibited -- definitions | Montana Legislature (67th), House Bill 702, Ch. 418, L. 2021, approved May 7, 2021 | MontanaState | May 7, 2021 | 2021 Q22021 Q3 | Standing dutyWorkplace rulesVaccination or testingStanding duty | 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. MT-082 | Rescission of the Missoula County mask mandate (masks recommended in five settings)Missoula County mask mandate rescission, May 10, 2021 | Ellen Leahy, Health Officer, Missoula City-County Health Department (under the Board's April 2021 direction) | Missoula County, MontanaCounty | May 10, 2021 | 2021 Q2 | Face-covering requirement | Confirmed from a secondary source | |
| Ex. MT-061 | Memorandum of the Chief Justice, May 17, 2021: Updated Judicial Branch Covid-19 ProtocolsUpdated Judicial Branch Covid-19 Protocols, May 17, 2021 | Chief Justice Mike McGrath, Supreme Court of Montana | Montana (statewide judiciary)Court | May 17, 2021 | 2021 Q22021 Q3 | Face-covering requirementCourts and public offices | Primary source read | |
| Ex. MT-022 | Executive Order No. 10-2021Executive Order Rescinding State of Emergency | Governor Greg Gianforte | MontanaState | June 30, 2021 | 2021 Q2 | Emergency declaration | Primary source read | |
| Ex. MT-041 | Supervisory Memorandum and Order Rescinding Proclamation (branch closure Proclamations of Mar. 13, 2020 and Jan. 15, 2021)Supervisory Memorandum to Montana State-Chartered Banks and Credit Unions: Proclamation Rescinded; Order Rescinding Proclamation | Montana Division of Banking and Financial Institutions, Commissioner Melanie G. Hall | MontanaSector regulator | July 12, 2021 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Emergency declarationOther | Primary source read | |
| Ex. MT-071 | DPHHS letter to providers: scope of the HB 702 Section 2 exemption for licensed nursing homes, long-term care and assisted living facilitiesDear Providers letter of July 28, 2021 (HB 702; CMS and CDC regulations or guidance) | Montana Department of Public Health and Human Services, Director's Office (Adam Meier, Director) | MontanaSector regulator | July 28, 2021 | 2021 Q3 | Health care ordersVaccination or testing | 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-088 | School district mask requirements for the 2021-22 school year (Missoula, Bozeman, Helena, Billings, Whitefish)2021-22 school district mask requirements (Montana) | Boards of Trustees of the named school districts | Missoula County Public Schools; Bozeman, Helena, Billings and Whitefish school districts, MontanaCity | Aug. 31, 2021 | 2021 Q3 | Face-covering requirementSchools and child care | Confirmed from a secondary source | |
| Ex. DUT-MT-019 | Stand Up Montana v. Missoula County Public Schools, 2023 MT 240, No. DA 23-0046 (Mont. Dec. 12, 2023)Opinion affirming summary judgment for the Missoula County school districts on the substantive due process challenge to their 2021-22 mask… | Supreme Court of Montana (Gustafson, J.) | MontanaCourt | Dec. 12, 2023 | | Standing dutyFace-covering requirementSchools and child careWorkplace rules | Primary source read | |
| Ex. DUT-MT-001 | Mont. Code Ann. 50-1-202General powers and duties (Department of Public Health and Human Services) | Montana Legislature (Montana Code Annotated, Title 50, ch. 1) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MT-002 | Mont. Code Ann. 50-1-203Public health inspections | Montana Legislature (Montana Code Annotated, Title 50, ch. 1) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureStanding dutyOperating condition | Primary source read | |
| Ex. DUT-MT-003 | Mont. Code Ann. 50-1-204Quarantine and isolation measures | Montana Legislature (Montana Code Annotated, Title 50, ch. 1) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MT-004 | Mont. Code Ann. 50-1-103Enforcement of public health laws | Montana Legislature (Montana Code Annotated, Title 50, ch. 1) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyStanding duty | Primary source read | |
| Ex. DUT-MT-006 | Mont. Code Ann. 50-2-123Compliance order authorized | Montana Legislature (Montana Code Annotated, Title 50, ch. 2) | MontanaState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyStanding dutyOperating condition | Primary source read | |