Federal Electronic Payments
Electronic Federal Tax Payments System (EFTPS)
State Links For Electronic Payments
Calculators
IRS Withholding Calculator
Employment Tax Due Dates
Employment Taxes
Independent Contractor or Employee?
Household Employer's Tax Guide Online
Employer-Provided Health Coverage Informational Reporting Requirements Q&A
Affordable Care Act Tax Provisions
Forms and Publications
Social Security (Admin)
Social Security Number Verification
Business Services Online (BSO)
Employer Reconciliation Process
Form W-4, Employee's Withholding Allowance Form (PDF)
Form W-9, Request for Taxpayer ID number (PDF)