| Ex. MT-019 | Executive Order No. 2-2021Executive Order Establishing a State of Emergency | Governor Greg Gianforte | MontanaState | Jan. 13, 2021 | 2021 Q12021 Q2 | Emergency declaration | Primary source read | |
| 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. DUT-MT-014 | Mont. Code Ann. 27-1-1606 (SB 65 sec. 6)Affirmative defense -- reasonable measures consistent with regulations, orders, and public health guidance | Montana Legislature (67th), Senate Bill 65, Ch. 2, L. 2021 | MontanaState | Feb. 10, 2021 | 2021 Q12021 Q22021 Q3 | Standing dutyWorkplace rulesStanding dutyOperating condition | 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. 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-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-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 MT-021)Directive of February 12, 2021: General Masking; Phased Reopening no longer in force; Public Gatherings; Businesses | Governor Greg Gianforte | MontanaState | Feb. 12, 2021 | 2021 Q12021 Q2 | Standing dutyWorkplace rulesOther | Primary source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. 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 | |