AB 1920 Income taxes: credits: COVID-19 supplemental paid sick leave.June 28, 2022Legislation AB 1920 provides necessary tax relief to California businesses and nonprofits. Specifically, AB 1920 would create a tax credit to offset the costs of state mandated Supplemental Paid Sick Leave (SPSL). Inactive. Click here to learn more # Legislation Year 2021 Previous Post AB 1877 State teachers’ retirement: retirees. Next Post AB 1983 Department of General Services: best value procurement: vehicles and equipment.