Helpful Accounting Resources Individual Income Tax Checklist Forms W-9 (Taxpayer ID) Texas Resale Certificate I-9 (Employment Eligibility) W-4 (Withholding)State Texas State Comptroller File Sales Tax Online Texas Sales Taxpayer Search Texas Tax-Exempt Entity Search Check Texas Franchise Tax Status Texas Workforce CommissionFederal IRS Website Small Business Tax Calendar Where's My Refund Apply for an EIN Small Business Association