Useful Forms

Payroll

W-4 Federal Withholding Certificate

DE-4 California Withholding Certificate

W-9 Request Taxpayer Identification Number & Certification

I-9 Employment Eligibility Verification

SS-4 Online Federal Employer Identification Application

Employer

SS-4 Federal Employer Identification Application

DE-1 California Employer Application

DE-1-HW California Household Workers Application

DE 34 Report of New Employee(s)

DE-542 California Independent Contractor Reporting

Estimated Taxes

1040-ES Federal Estimated Tax Voucher-Individuals

540-ES California Estimated Tax Voucher-Individuals

1120-W Federal Corporate Tax Worksheet

100-ES California Corporate Estimated  Taxes