| Ex. DUT-MA-012 | St. 1950, c. 639 (the Civil Defense Act), ss. 1, 5, 7, 8, 8AAn Act to Provide for the Safety of the Commonwealth During the Existence of an Emergency Resulting from Disaster or from Hostile Action | General Court; approved by the Governor July 20, 1950 (emergency law) | MassachusettsState | July 20, 1950 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyEmergency declarationStay-at-homeBusiness closureGathering capStanding duty | Primary source read | |
| Ex. MA-001 | Executive Order No. 591Declaration of a State of Emergency to Respond to COVID-19 | Governor Charles D. Baker | MassachusettsState | Mar. 10, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q2 | Emergency declaration | Primary source read | |
| Ex. MET-BOS-001 | Declaration of a Public Health Emergency Relative to COVID-19 in the City of BostonDeclaration of a Public Health Emergency Relative to COVID-19 in the City of Boston | Boston Public Health Commission, acting through Interim Executive Director Rita Nieves | City of Boston (Suffolk County), MassachusettsCity | Mar. 15, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Emergency declarationHealth care orders | Primary source read | |
| Ex. MET-BOS-049 | Declaration of Emergency (local State of Emergency)City of Somerville, Massachusetts, Mayor, Declaration of Emergency | Mayor Joseph A. Curtatone | City of Somerville (Middlesex County), MassachusettsCity | Mar. 15, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Emergency declaration | Primary source read | |
| Ex. MET-BOS-002 | Order Extending Public Health Emergency Relative to COVID-19 in the City of BostonOrder Extending Public Health Emergency Relative to COVID-19 in the City of Boston | Boston Public Health Commission, Interim Executive Director Rita Nieves | City of Boston, MassachusettsCity | Apr. 24, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Emergency declaration | Primary source read | |
| Ex. ECO-C-012 | COVID-19 Order No. 45Order Requiring Travelers Arriving in Massachusetts to Quarantine or Produce a Negative COVID-19 Test Result | Governor Charles D. Baker | MassachusettsState | July 24, 2020 | 2020 Q32020 Q42021 Q1 | Travel and quarantineQuarantine and isolation | Confirmed from a secondary source | |
| Ex. MA-025 | COVID-19 Order No. 45Order Instituting a Mandatory 14-Day Quarantine Requirement for Travelers Arriving in Massachusetts | Governor Charles D. Baker | MassachusettsState | July 24, 2020 | 2020 Q32020 Q42021 Q1 | Travel and quarantineWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. SEC-06-017 | COVID-19 Order No. 45Order Instituting a Mandatory 14-Day Quarantine Requirement for Travelers Arriving in Massachusetts | Governor Charles D. Baker | MassachusettsState | July 24, 2020 | 2020 Q32020 Q42021 Q1 | Travel and quarantineWorkplace rulesQuarantine and isolation | Primary source read | |
| 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-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-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 | |