Washington State Department of Health (incorporated by Proclamation 20-09.4), 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) (July 28, 2021) (Ex. WA-076)
Governor Jay Inslee, Proclamation 20-09.4 (July 30, 2021) (Ex. WA-075)
Umair A. Shah, MD, MPH, Washington State Secretary of Health, Order of the Secretary of Health 20-03.4 (Aug. 19, 2021) (Ex. WA-078)
