| Ex. MT-043 | Order of Health Officer (closing bars, brew pubs, wineries and casinos; food service to takeout and delivery)Order of Health Officer, March 16, 2020 | John Felton, Health Officer for City-County of Yellowstone (RiverStone Health) | Yellowstone County (Billings), MontanaCounty | Mar. 16, 2020 | 2020 Q2 | Business closureAlcohol and barsEvents and venues | Primary source read | |
| Ex. MT-075 | Emergency Health Rule EHR-2020-001 (closure of bars, brew pubs, casinos and restaurant dining rooms extended to Apr. 3, 2020 and expanded to gyms, fitness facilities, athletic centers, workout studios, paintball parlors, ice rinks, indoor climbing, trampoline parks, indoor sporting arenas, cinemas and theatres)Emergency Health Rule 2020-001 Relating to COVID-19 (adopted at the Board's emergency meeting of March 18, 2020) | Gallatin City-County Board of Health | Gallatin County, MontanaCounty | Mar. 18, 2020 | 2020 Q2 | Business closureAlcohol and barsEvents and venues | Confirmed from a secondary source | |
| Ex. MT-005 | Directive Implementing Executive Orders 2-2020 and 3-2020 (closure of on-premises food and beverage service, casinos, gyms, theaters)Directive Implementing Executive Orders 2-2020 and 3-2020 and providing for measures to combat the spread of COVID-19 via food and beverage… | Governor Steve Bullock | MontanaState | Mar. 20, 2020 | 2020 Q2 | Business closureGathering capAlcohol and barsEvents and venues | Primary source read | |
| Ex. MT-013 | Phase One Directive (Directive implementing Executive Orders 2-2020 and 3-2020 and providing guidance for the phased reopening of Montana and establishing conditions for Phase One), with Appendix ADirective implementing Executive Orders 2-2020 and 3-2020 and providing guidance for the phased reopening of Montana and establishing… | Governor Steve Bullock | MontanaState | Apr. 22, 2020 | 2020 Q22020 Q32020 Q42021 Q1 | Stay-at-homeBusiness closureTelework mandateCapacity limitGathering capTravel and quarantineSchools and child careHealth care ordersCurfew and hoursEvents and venuesWorkplace rules | Primary source read | |
| Ex. MT-014 | Phase Two Directive (Directive implementing Executive Orders 2-2020 and 3-2020 and establishing conditions for Phase Two), with AppendicesDirective implementing Executive Orders 2-2020 and 3-2020 and establishing conditions for Phase Two | Governor Steve Bullock | MontanaState | May 19, 2020 | 2020 Q22020 Q32020 Q42021 Q1 | Telework mandateCapacity limitGathering capTravel and quarantineSchools and child careHealth care ordersEvents and venuesWorkplace rulesOther | Primary source read | |
| Ex. MT-046 | Order of Health Officer August 18, 2020 (school-sanctioned sports and activities)Order of Health Officer August 18, 2020 | John Felton, Health Officer for City-County of Yellowstone | Yellowstone County, MontanaCounty | Aug. 18, 2020 | 2020 Q3 | Gathering capFace-covering requirementSchools and child careEvents and venues | Primary source read | |
| Ex. MT-047 | Order of Health Officer September 3, 2020 (rescinding the Aug. 18 order; each County school to maintain a COVID-19 Plan)Order of Health Officer September 3, 2020 | John Felton, Health Officer for City-County of Yellowstone | Yellowstone County, MontanaCounty | Sept. 3, 2020 | 2020 Q32020 Q4 | Schools and child careEvents and venuesWorkplace rules | Primary source read | |
| Ex. MT-038 | Governor's letter to the Association of Montana Public Health Officials (AMPHO) clarifying the Phase Two 50-person gathering limitationLetter to AMPHO, September 4, 2020 (Phase Two gathering limitation does not apply to school-related or youth activities) | Governor Steve Bullock | MontanaState | Sept. 4, 2020 | 2020 Q32020 Q4 | Gathering capEvents and venues | Primary source read | |
| Ex. MT-048 | Order of Health Officer October 12, 2020 (12:30 a.m. close for bars and restaurants; 25-person gathering cap; masks and distancing required)Order of Health Officer, October 12, 2020 | John Felton, Local Public Health Officer, City-County of Yellowstone | Yellowstone County, MontanaCounty | Oct. 12, 2020 | 2020 Q4 | Capacity limitGathering capFace-covering requirementCurfew and hoursAlcohol and barsEvents and venues | Primary source read | |
| Ex. MT-052 | Order of Health Officer November 19, 2020 (25-person cap; 10 p.m. to 4 a.m. closure of all places of assembly; 50 percent capacity; congregate care order continued)Order of Health Officer, November 19, 2020 | John Felton, Local Public Health Officer, City-County of Yellowstone | Yellowstone County, MontanaCounty | Nov. 19, 2020 | 2020 Q42021 Q1 | Capacity limitGathering capFace-covering requirementHealth care ordersCurfew and hoursAlcohol and barsEvents and venues | Primary source read | |
| Ex. DUT-MT-018 | Press release and letter, 'AG Knudsen Orders Dismissal of COVID Curfew Case Against Rocking R Bar in Gallatin County' (Gallatin City-County Board of Health and Health Officer Matt Kelley v. Rocking R Bar, Gallatin County Cause No. DV-20-1278B)AG Knudsen Orders Dismissal of COVID Curfew Case Against Rocking R Bar in Gallatin County | Attorney General Austin Knudsen, Montana Department of Justice (press release with the full text of the supervisory letter to Gallatin County Attorney Marty Lambert) | MontanaState | Jan. 14, 2021 | 2020 Q42021 Q1 | Standing dutyBusiness closureCurfew and hoursStanding duty | 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-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. 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. 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 | |
| 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 | |