| Ex. MT-076 | Emergency face covering rule (countywide mask mandate), adopted July 2020; extended Jan. 20, 2021 (to Apr. 20, 2021) and April 2021 (to May 27, 2021); enforcement lifted by the Health Officer May 14, 2021Gallatin City-County Board of Health local face covering emergency rule | Gallatin City-County Board of Health; Matt Kelley, Health Officer | Gallatin County, MontanaCounty | July 17, 2020 | 2020 Q32020 Q42021 Q12021 Q2 | Face-covering requirementWorkplace rules | Confirmed from a secondary source | |
| Ex. MT-084 | Order of Health Officer of Nov. 20, 2020 (mirroring the Governor's Nov. 17 Directive: gatherings 25 without distancing / 50 with distancing; 50 percent capacity; 10 p.m. closing; masks and distancing required of all businesses), continued Jan. 6, 2021 and loosened effective 5:00 a.m. Jan. 22, 2021 (75 percent capacity; 12:30 a.m. to 4 a.m. closure; events of 250 indoor / 500 outdoor with approved plans; gathering caps and masks retained) until the case rate is at or below 25 per 100,000 for four consecutive weeksCascade City-County Health Officer Order of November 20, 2020, as continued and amended | Trisha Gardner, Public Health Officer, Cascade City-County Health Department; Board of Health (Jan. 20, 2021 amendments) | Cascade County, MontanaCounty | Nov. 20, 2020 | 2020 Q42021 Q12021 Q2 | Capacity limitGathering capFace-covering requirementCurfew and hoursWorkplace rules | Confirmed from a secondary source | |
| Ex. MT-068 | Emergency Local Health Rule Relating to COVID-19, EHR-2020-003, Phased Reopening: Phase OneEmergency Local Health Rule Relating to COVID-19, EHR-2020-003, Phased Reopening: Phase One | Gallatin City-County Board of Health (Becky Franks, Chair) | Gallatin County, MontanaCounty | May 1, 2020 | 2020 Q22020 Q3 | Business closureCapacity limitGathering capWorkplace rules | Primary source read | |
| Ex. MT-079 | Countywide face covering rule (masks in all indoor public spaces and businesses; employers to enforce)Missoula City-County Board of Health mask rule, adopted and effective July 9, 2020 | Missoula City-County Board of Health; Ellen Leahy, Health Officer | Missoula County, MontanaCounty | July 9, 2020 | 2020 Q32020 Q42021 Q12021 Q2 | Face-covering requirementWorkplace rules | Confirmed from a secondary source | |
| 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 | |