Official Tax Data Sources
WageTakeHome relies exclusively on primary government publications, official employer tax guides, and published statutory formulas. We audit our data models whenever new guidance is released.
IRS Publication 15-T (Federal Income Tax Withholding Methods) →
Verified Coverage: Federal income tax withholding percentage method, W-4 2020+ adjustments, pay frequencies.
IRS Publication 15 (Circular E, Employer's Tax Guide) →
Verified Coverage: Medicare, Additional Medicare 0.9% employer withholding threshold ($200k), Section 125 rules.
Social Security Administration Wage Base & Fact Sheet →
Verified Coverage: Social Security tax rate 6.2% and maximum taxable earnings cap.
California Employer's Guide (DE 44) & Withholding Schedules →
Verified Coverage: California Method B Exact Calculation, standard deduction, exemption credits, SDI 1.2% rate under SB 951.
California Franchise Tax Board Personal Income Tax Provisions →
Verified Coverage: Mental Health Services Tax (1% over $1M), bracket adjustments.
Texas Constitution & Comptroller Tax Guidelines →
Verified Coverage: Confirmation of zero state personal income tax under Article 8, Section 24-a.
Florida Department of Revenue Guidelines →
Verified Coverage: Confirmation of zero state individual income tax under Florida Constitution Article VII.
Washington Paid Family and Medical Leave & WA Cares Guidance →
Verified Coverage: Employee PFML rate 0.284% and WA Cares Fund rate 0.58%.
New York State Withholding Tax Tables (NYS-50-T-NYS & NYC) →
Verified Coverage: NYS graduated withholding rates, standard deduction, and New York City resident withholding tax.
Illinois Department of Revenue Withholding Tax Guide (IL-700-T) →
Verified Coverage: Flat 4.95% rate and personal exemption allowance amounts.
Pennsylvania Employer Withholding Information Guide (REV-415) →
Verified Coverage: Flat 3.07% rate, lack of standard deduction, PA UC 0.07%, Act 32 local EIT rules.
Ohio Employer Withholding Tables & Tax Reform Updates →
Verified Coverage: Consolidated graduated brackets (2.75% and 3.5%) and personal exemption credits.
Georgia Employer's Tax Guide (HB 1015 Flat Tax) →
Verified Coverage: Flat 5.39% rate, $12,000 / $24,000 standard deduction, dependent allowances.
Arizona Form A-4 Employee Withholding Percentage Election →
Verified Coverage: Flat 2.5% statutory rate and A-4 employee withholding election percentages.