| Ex. AGY-ST-COURTS-076 | Supreme Judicial Court Order in re COVID-19 (coronavirus) pandemic regarding access to state courthouses and court facilities (OE-144)Persons diagnosed with, exposed to or symptomatic of coronavirus, persons asked to self-quarantine, and persons who had travelled to China… | Supreme Judicial Court of Massachusetts | Supreme Judicial Court of Massachusetts (statewide)Court | Mar. 13, 2020 | 2020 Q2 | Travel and quarantineCourts and public officesQuarantine and isolation | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-054 | MBTA schedule revisions effective Mar. 17, 2020 (reduced subway, bus, Commuter Rail and ferry service under the COVID-19 emergency)MBTA Announces Schedule Revisions to Take Effect Tuesday, March 17 | Massachusetts Bay Transportation Authority (General Manager Steve Poftak) | Massachusetts Bay Transportation Authority (Massachusetts; division of MassDOT)State | Mar. 16, 2020 | 2020 Q2 | Context (guidance or announcement)Travel and quarantineOther | Confirmed from a secondary source | |
| Ex. ECO-B-098 | MBTA notice, 'MBTA Announces Schedule Revisions to Take Effect Tuesday, March 17' (Mar. 16, 2020)MBTA reduced service schedule effective March 17, 2020 ('Reductions in service support slowing spread of COVID-19, protect MBTA workforce… | Massachusetts Bay Transportation Authority | Massachusetts (Massachusetts Bay Transportation Authority)State | Mar. 16, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. MET-BOS-090 | MBTA schedule revisions: all services on a reduced schedule effective March 17, 2020 until further noticeMBTA Announces Schedule Revisions to Take Effect Tuesday, March 17 (posted March 16, 2020) | MBTA (General Manager Steve Poftak) | Massachusetts Bay Transportation Authority (Boston metropolitan transit)Sector regulator | Mar. 16, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. MET-BOS-080 | Emergency Order of the Provincetown Select Board and Board of Health directing all individuals to stay at their place of residence, directing all businesses to cease non-essential operations at physical locations, prohibiting all non-essential gatherings and ordering cessation of all non-essential travelEmergency Order of the Provincetown Select Board and Board of Health, Effective March 23, 2020 at 5:00 PM | Provincetown Select Board and Board of Health | Town of Provincetown (Barnstable County), MassachusettsCity | Mar. 23, 2020 | 2020 Q2 | Stay-at-homeBusiness closureGathering capTravel and quarantine | Primary source read | |
| Ex. MET-BOS-091 | MBTA notice: MBTA discourages all non-essential travelMBTA Discourages All Non-Essential Travel (posted March 23, 2020) | MBTA | Massachusetts Bay Transportation AuthoritySector regulator | Mar. 23, 2020 | 2020 Q2 | Travel and quarantineOther | Confirmed from a secondary source | |
| Ex. AGY-AVIATION-SURFACE-055 | MBTA service revisions of Mar. 23-25, 2020: Commuter Rail Reduced Service Schedule modified; all non-essential travel discouragedMBTA Discourages All Non-Essential Travel (targeted adjustments to Commuter Rail capacity effective Wednesday, Mar. 25, 2020) | Massachusetts Bay Transportation Authority (General Manager Steve Poftak) | Massachusetts Bay Transportation AuthorityState | Mar. 23, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. MET-BOS-122 | Supplemental Emergency Order (Emergency Order No. 3 supplement) reaffirming the construction and commercial landscaping suspension (Emergency Order No. 1, Mar. 20, 2020) and the stay-at-home order (Emergency Order No. 3, Mar. 22, 2020)Supplemental Emergency Order, March 30, 2020 | Town of Nantucket (Select Board and Board of Health) | Town and County of Nantucket, MassachusettsCity | Mar. 30, 2020 | 2020 Q2 | Stay-at-homeBusiness closureTravel and quarantine | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-056 | MBTA service revision effective Monday, Apr. 6, 2020 (Saturday-level bus schedules; modified subway and Commuter Rail service)MBTA Issues Service Revision Effective Monday, April 6 (updated Apr. 3, 2020) | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation AuthorityState | Apr. 2, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-057 | MBTA face-covering requirement effective May 6, 2020 (Executive Order for face coverings takes effect)Executive Order for Face Coverings Takes Effect Wednesday, May 6 | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation Authority (implementing the Governor's Order No. 31)State | May 5, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-BOS-092 | MBTA face-covering requirement for all customers effective May 6, 2020 (with rear-door boarding and disinfection protocols)Executive Order for Face Coverings Takes Effect Wednesday, May 6 (posted May 5, 2020) | MBTA (implementing COVID-19 Order No. 31) | Massachusetts Bay Transportation AuthoritySector regulator | May 5, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | 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 | |