| Ex. MET-SEA-030 | Executive release: King County Parks facility closures (Mar. 20, 2020)King County Parks COVID-19 update (Mar. 20, 2020) | King County Executive Dow Constantine (King County Parks) | King County, WashingtonCounty | Mar. 20, 2020 | 2020 Q2 | Business closureGathering cap | Confirmed from a secondary source | |
| Ex. SEC-15-042 | Proclamation 20-12 (Higher Education) and its amendments 20-12.1 through 20-12.5 (including 20-12.4 of July 12, 2021)COVID-19 Higher Education | Governor Jay Inslee | WashingtonState | Mar. 20, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Business closureSchools and child careWorkplace rules | Confirmed from a secondary source | |
| Ex. MET-SEA-031 | Executive release: emergency child care for the children of essential workers during the school closuresKing County child care for essential workers (Mar. 24, 2020) | King County Executive Dow Constantine | King County, WashingtonCounty | Mar. 24, 2020 | 2020 Q2 | Schools and child careOther | Confirmed from a secondary source | |
| Ex. SEC-15-041 | Proclamation 20-09 (Statewide K-12 School Closures), as amended by 20-09.1 (Apr. 6, 2020; remainder of the school year)Coronavirus Schools Closure | Governor Jay Inslee | WashingtonState | Mar. 13, 2020 | 2020 Q2 | Schools and child care | Confirmed from a secondary source | |
| Ex. SEC-19-013 | Proclamation 20-25.3Safe Start - Stay Healthy (Phase I low-risk activities incl. landscaping and lawn care) | Governor Jay Inslee | WashingtonState | May 4, 2020 | 2020 Q2 | Business closureWorkplace rules | Confirmed from a secondary source | |
| Ex. MET-SEA-028 | Executive release: King County approved for modified Phase 1 ('Phase 1.5') of Safe StartKing County approved to move to modified Phase 1 (June 5, 2020) | King County Executive Dow Constantine; Washington Secretary of Health (approval) | King County, WashingtonCounty | June 5, 2020 | 2020 Q2 | Business closureCapacity limitGathering cap | Confirmed from a secondary source | |
| Ex. MET-SEA-032 | Executive release: King County applies to re-open limited business activity (modified Phase 1)King County applies for re-opening of limited business activity (May 29, 2020) | King County Executive Dow Constantine | King County, WashingtonCounty | May 29, 2020 | 2020 Q2 | Business closureCapacity limit | Confirmed from a secondary source | |
| Ex. WA-076 | DOH 820-105, K-12 COVID-19 Requirements for Summer 2021 and the 2021-2022 School Year (later retitled Requirements and Guidance to Mitigate COVID-19 Transmission in K-12 Schools)K-12 COVID-19 Requirements for Summer 2021 and the 2021-2022 School Year | Washington State Department of Health (incorporated by Proclamation 20-09.4) | WashingtonSector regulator | July 28, 2021 | 2021 Q3 | Face-covering requirementSchools and child careQuarantine and isolation | Confirmed from a secondary source | |
| Ex. SEC-15-085 | Proclamation 20-9.4 (July 30, 2021): K-12 schools prohibited from operating outside the Department of Health's K-12 requirements (universal indoor masking, distancing, ventilation, testing and reporting) for 2021-22Proclamation 20-9.4 (K-12 Schools, 2021-22) | Governor Jay Inslee | WashingtonState | July 30, 2021 | 2021 Q3 | Face-covering requirementSchools and child careWorkplace rules | Confirmed from a secondary source | |