| Alabama | Alabama Code > Title 40 > Chapter 18 - Income Taxes |
| Alaska | Alaska Statutes Chapter 43.20 - Alaska Net Income Tax Act |
| Arizona | Arizona Laws > Title 43 > Chapter 4 - Withholding |
| Arizona Laws > Title 43 > Chapter 10 - Individuals |
| California | California Revenue and Taxation Code > Division 2 > Part 10 - Personal Income Tax |
| California Revenue and Taxation Code > Division 2 > Part 10.3 - Earned Income Tax Credit Information Act |
| Connecticut | Connecticut General Statutes > Title 12 > Chapter 229 - Income Tax |
| Delaware | Delaware Code Title 30 > Chapter 11 - Personal Income Tax |
| Hawaii | Hawaii Revised Statutes Chapter 235 - Income Tax Law |
| Idaho | Idaho Code Title 63 > Chapter 30 - Income Tax |
| Illinois | Illinois Compiled Statutes > Chapter 35 > Income Taxes |
| Kansas | Kansas Statutes > Chapter 79 > Article 32 - Income Tax |
| Maine | Maine Revised Statutes > Title 36 > Chapter 805 - Computation Of Taxable Income Of Resident Individuals |
| Maine Revised Statutes > Title 36 > Chapter 807 - Computation Of Taxable Income Of Nonresident Individuals |
| Massachusetts | Massachusetts General Laws > Part I > Title IX > Chapter 62 - Taxation Of Incomes |
| Massachusetts General Laws > Part I > Title IX > Chapter 62B - Withholding Of Taxes On Wages And Declaration Of Estimated Income Tax |
| Michigan | Michigan Laws > Chapter 141 > Act 284 of 1964 - City Income Tax Act |
| Michigan Laws > Chapter 206 > Act 281 of 1967 - Income Tax Act Of 1967 |
| Michigan Laws > Chapter 206 > Act 513 of 2006 - Individual Or Family Development Account Program Act |
| Missouri | Missouri Laws > Title X > Chapter 143 - Income Tax |
| Montana | Montana Code Title 15 > Chapter 30 - Individual Income Tax |
| New Hampshire | New Hampshire Revised Statutes > Chapter 77 - Taxation Of Incomes |
| New York | New York Laws - Tax > Article 22 - Personal Income Tax |
| New York Laws - Tax > Article 30 - City Personal Income Tax |
| New York Laws - Tax > Article 30-A - City Income Tax Surcharge |
| New York Laws - Tax > Article 30-B - City Earnings Tax On Nonresidents |
| New York | New York Laws > Tax > Article 22 - Personal Income Tax |
| New York Laws > Tax > Article 30 - City Personal Income Tax |
| New York Laws > Tax > Article 30-A - City Income Tax Surcharge |
| New York Laws > Tax > Article 30-B - City Earnings Tax On Nonresidents |
| North Carolina | North Carolina General Statutes Chapter 105 > Article 4 - Income Tax |
| North Carolina General Statutes Chapter 105 > Article 4A - Withholding; Estimated Income Tax for Individuals |
| North Carolina General Statutes Chapter 105 > Article 4C - Filing of Declarations of Estimated Income Tax and Installment Payments of Estimated Income Tax by Corporations |
| North Dakota | North Dakota Code > Chapter 57-38 - Income Tax |
| North Dakota Code > Chapter 57-38.1 - Uniform Division of Income Tax Act |
| North Dakota Code > Chapter 57-38.3 - Setoff of Income Tax Refund |
| Ohio | Ohio Code > Title 57 > Chapter 5747 - Income Tax |
| Ohio Code > Title 57 > Chapter 5748 - School District Income Tax |
| Oregon | Oregon Statutes > Chapter 314 - Taxes Imposed Upon or Measured by Net Income |
| Oregon Statutes > Chapter 316 - Personal Income Tax |
| Rhode Island | Rhode Island General Laws > Chapter 44-30. Personal Income Tax |
| Rhode Island General Laws > Chapter 44-30.1. Setoff of Refund of Personal Income Tax |
| Rhode Island General Laws > Chapter 44-30.2. Reciprocity Agreements – Setoff of Refund of Personal Income Tax |
| Rhode Island General Laws > Chapter 44-30.3. Residential Lead Abatement Income Tax Credit |
| South Carolina | South Carolina Code > Title 12 > Chapter 6 - South Carolina Income Tax Act |
| South Carolina Code > Title 12 > Chapter 8 - Income Tax Withholding |
| Utah | Utah Code > Title 59 > Chapter 10 - Individual Income Tax Act |
| Vermont | Vermont Statutes > Title 32 > Chapter 151 - Income Taxes |
| West Virginia | West Virginia Code > Chapter 11 > Article 21 - Personal Income Tax |
| Wisconsin | Wisconsin Statutes > Chapter 71 > Subchapter X - Withholding |
