State Tax Registration
- Oklahoma Tax Commission, Taxpayer Access Point (Register account login -- sign up)
- Oklahoma Taxpayer Access Point (Third Party Access Step 1 of 2)
- Oklahoma Taxpayer Access Point (Third Party Access Step 2 of 2)
- Oklahoma Unemployment Insurance (UI) Tax Account Number Check Status and Retrieve Account Number
- Oklahoma Unemployment Insurance (UI) Tax Account Number Registration
- Oklahoma Unemployment Insurance (UI) Tax Account Number: Closing
- Oregon Child Support Employer Portal
- Oregon Department of Revenue, Revenue Online (Register account login -- sign up)
- Oregon Department of Revenue, Revenue Online (Third Party Access)
- Oregon: Combined Employer's Registration
- Oregon: Metro Supportive Housing Services (SHS) Personal Income Tax and Multnomah County Preschool For All (PFA) Personal Income Tax
- OregonSaves (Add Ludt Payroll as a "Teammate")
- OregonSaves (Employee Opt-Out Instructions)
- Pennsylvania (PA) Payroll Tax Registration
- Pennsylvania (PA) UCMS (Third-Party Access)
- State Unemployment Insurance Tax
- Tennessee (TN) Employer Account Number Registration
- Texas Unemployment Insurance Tax Grant Third Party Access
- Texas Unemployment Insurance Tax Registration
- Utah Taxpayer Access Point Registration
- Utah Withholding Account Registration
- Virginia (VA) Third Party Access
- Virginia (VA) Unemployment Insurance Tax Registration
- Virginia (VA) Withholding Tax Registration
- Washington (WA) payroll tax registration
- Washington Cares Fund -- Long Term Care (WA CARES)
- Washington Employment Administration Fund surcharge (WA EAF)
- Washington Paid Family Medical Leave (WA PFML)
- Washington Unemployment Insurance Tax (WA UI)
- Washington Workers' Compensation Insurance (WA WCI)