W-4 (irs.gov)
DE-4 (edd.ca.gov)
I-9 (uscis.gov)
W-9 (irs.gov)
LC 2810.5 (dir.ca.gov)
Internal Revenue Service
US Citizenship & Immigration services
US Small Business Admin
CA Sales Tax by City/County
CA Supplemental Paid Sick Leave (SPSL)
Employment Development Dept. (EDD)
CA Dept of Tax & Fee Admin (CDTFA - Sales Tax)
Franchise Tax Board
CA Tax Center
I-9 Document List