On Sept. 9, Governor Newsom signed AB 1867, a statewide COVID-19 supplemental paid sick leave (SPSL) mandate, into law.  AB 1867’s sick leave provisions are codified at California Labor Code §§ 248, 248.1, and 248.5. This new law went into effect immediately, but since “[t]he requirement to provide COVID-19 supplemental paid sick leave…take[s] effect…