MBTA, MBTA notice: face covering enforcement takes effect November 6, 2020 (Nov. 6, 2020) (Ex. MET-BOS-093)
Mayor Martin J. Walsh, City of Boston announcement: modified Phase 4, Step 1 effective March 22, 2021 (Mar. 19, 2021) (Ex. MET-BOS-018)
Chelsea Board of Health, Notice that all Orders of the Chelsea Board of Health imposing COVID restrictions expire May 29, 2021 (May 19, 2021) (Ex. MET-BOS-112)
