| 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-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-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-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-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 | |