| Ex. ECO-B-130 | Executive Order No. 595, Requiring COVID-19 Vaccination for Executive Department Employees (Aug. 19, 2021)Executive Department employees must demonstrate full vaccination by October 17, 2021 (no test-out) | Governor Charles D. Baker | MassachusettsState | Aug. 19, 2021 | 2021 Q3 | Workplace rulesVaccination or testing | Confirmed from a secondary source | |
| Ex. MET-BOS-111 | Chelsea Board of Health Indoor Mask Mandate for all Indoor Public Spaces (POST-PERIOD)Board of Health Implements Mask Mandate for all Indoor Public Spaces (chelseama.gov, December 1, 2021) | Chelsea Board of Health | City of Chelsea, MassachusettsCity | Dec. 1, 2021 | | Face-covering requirement | Confirmed from a secondary source | |
| Ex. DUT-MA-001 | G.L. c. 17, s. 2AEmergency powers of the Commissioner of Public Health upon the Governor's declaration of an emergency detrimental to the public health | General Court (codified statute administered by the Commissioner of Public Health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyEmergency declarationHealth care ordersQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MA-002 | G.L. c. 111, s. 6Power to define diseases deemed dangerous to public health; control and prevention | General Court (codified statute administered by the Department of Public Health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MA-004 | G.L. c. 111, s. 31Health regulations of boards of health; publication as notice to all persons; penalty | General Court (codified statute; powers exercised by municipal boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureGathering capFace-covering requirementWorkplace rulesStanding duty | Primary source read | |
| Ex. DUT-MA-005 | G.L. c. 111, s. 95Powers and duties of boards in cases of infectious diseases | General Court (codified statute; powers exercised by municipal boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MA-006 | G.L. c. 111, s. 104Prevention of spread of infection; public notice; removal | General Court (codified statute; duties of selectmen and boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MA-007 | G.L. c. 111, s. 122Regulations relative to nuisances; examinations | General Court (codified statute; powers of municipal boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureStanding dutyOperating condition | Primary source read | |
| Ex. DUT-MA-008 | G.L. c. 111, s. 127AState sanitary code; adoption; enforcement; jurisdiction | General Court (codified statute; State Sanitary Code adopted by the Department of Public Health and enforced by boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureStanding dutyOperating condition | Primary source read | |
| Ex. DUT-MA-009 | 105 CMR 300.200Isolation and Quarantine Requirements | Department of Public Health (regulation under G.L. c. 111, ss. 6, 7 and 109 and related sections) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MA-010 | 105 CMR 300.210Procedures for Isolation and Quarantine | Department of Public Health (regulation) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MA-011 | 105 CMR 300.100Diseases Reportable to Local Boards of Health (COVID-19 listed) | Department of Public Health (regulation) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyHealth care ordersQuarantine and isolationStanding duty | Primary source read | |
| Ex. DUT-MA-013 | G.L. c. 149, s. 6Safety devices and means to prevent accidents and diseases generally | General Court (codified statute administered by the Department of Labor Standards and the Attorney General) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyWorkplace rulesStanding duty | Primary source read | |
| Ex. DUT-MA-014 | G.L. c. 149, s. 113Light, ventilation, cleanliness, sanitation and heat in establishments | General Court (codified statute; rules by the Attorney General) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyWorkplace rulesStanding duty | Primary source read | |
| Ex. DUT-MA-019 | 105 CMR 590.014(A)Permits: Suspension and Revocation; Summary Suspension of Permit/Emergency Closure without a Prior Hearing | Department of Public Health (State Sanitary Code, Chapter X; enforced by local boards of health) | MassachusettsState | Sept. 28, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyBusiness closureStanding dutyOperating condition | Primary source read | |
| Ex. DUT-MA-018 | G.L. c. 40, s. 21DNon-criminal disposition of violations of ordinances, by-laws, rules and regulations | General Court (codified statute; adopted by cities and towns by ordinance or by-law) | MassachusettsState | Sept. 29, 2026 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyStanding dutyOther | Primary source read | |