Important links:
Internal Revenue Service
IRS: Where's My Refund?
CA FTB (Franchise Tax Board)
CA Franchise Tax Board (FTB): Where’s My Refund?
City of Los Angeles: Office of Finance: Business License: RENEWAL
City of Los Angeles: Office of Finance: Business License: APPLICATION/PDF
City of Los Angeles: Office of Finance: Business License: APPLICATION/online
DBA: Fictitious Business Statement: ONLINE APPLICATION
California Department of Tax and Fee Administration: REGISTRATION
Social Security Administration