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Changelog

Guideline version and last-verified date, by state

StateGuideline VersionEffective DateLast VerifiedSource
Alabama2026-AL-v12026-01-012026-07-26Alabama Department of Revenue
Alaska2026-AK-v11980-01-012026-07-26Alaska Department of Revenue
Arizona2026-AZ-v12023-01-012026-07-26Arizona Department of Revenue
Arkansas2026-AR-v12026-01-012026-07-26Arkansas Department of Finance and Administration
California2026-CA-v12026-01-012026-07-26California Franchise Tax Board
Colorado2026-CO-v12022-01-012026-07-26Colorado Department of Revenue
Connecticut2026-CT-v12026-01-012026-07-26Connecticut Department of Revenue Services
Delaware2026-DE-v12026-01-012026-07-26Delaware Division of Revenue
District of Columbia2026-DC-v12026-01-012026-07-26DC Office of Tax and Revenue
Florida2026-FL-v11924-01-012026-07-26Florida Department of Revenue
Georgia2026-GA-v12026-01-012026-07-26Georgia Department of Revenue / Office of the Governor
Hawaii2026-HI-v12026-01-012026-07-26Hawaii Department of Taxation
Idaho2026-ID-v12025-03-012026-07-26Idaho State Tax Commission
Illinois2026-IL-v12017-07-012026-07-26Illinois Department of Revenue
Indiana2026-IN-v12026-01-012026-07-26Indiana Department of Revenue
Iowa2026-IA-v12026-01-012026-07-26Iowa Department of Revenue
Kansas2026-KS-v12026-01-012026-07-26Kansas Department of Revenue
Kentucky2026-KY-v12026-01-012026-07-26Kentucky Department of Revenue
Louisiana2026-LA-v12025-01-012026-07-26Louisiana Department of Revenue
Maine2026-ME-v12026-01-012026-07-26Maine Revenue Services
Maryland2026-MD-v12026-01-012026-07-26Comptroller of Maryland
Massachusetts2026-MA-v12023-01-012026-07-26Massachusetts Department of Revenue
Michigan2026-MI-v12026-01-012026-07-26Michigan Department of Treasury
Minnesota2026-MN-v12026-01-012026-07-26Minnesota Department of Revenue
Mississippi2026-MS-v12026-01-012026-07-26Mississippi Department of Revenue
Missouri2026-MO-v12026-01-012026-07-26Missouri Department of Revenue
Montana2026-MT-v12026-01-012026-07-26Montana Department of Revenue
Nebraska2026-NE-v12026-01-012026-07-26Nebraska Department of Revenue
Nevada2026-NV-v11864-01-012026-07-26Nevada Department of Taxation
New Hampshire2026-NH-v12025-01-012026-07-26New Hampshire Department of Revenue Administration
New Jersey2026-NJ-v12026-01-012026-07-26New Jersey Division of Taxation
New Mexico2026-NM-v12025-01-012026-07-26New Mexico Taxation and Revenue Department
New York2026-NY-v12026-01-012026-07-26New York State Department of Taxation and Finance
North Carolina2026-NC-v12026-01-012026-07-26North Carolina Department of Revenue
North Dakota2026-ND-v12026-01-012026-07-26North Dakota Office of State Tax Commissioner
Ohio2026-OH-v12026-01-012026-07-26Ohio Department of Taxation
Oklahoma2026-OK-v12026-01-012026-07-26Oklahoma Tax Commission
Oregon2026-OR-v12026-01-012026-07-26Oregon Department of Revenue
Pennsylvania2026-PA-v12004-01-012026-07-26Pennsylvania Department of Revenue
Rhode Island2026-RI-v12026-01-012026-07-26Rhode Island Division of Taxation
South Carolina2026-SC-v12026-01-012026-07-26South Carolina Department of Revenue
South Dakota2026-SD-v11943-01-012026-07-26South Dakota Department of Revenue
Tennessee2026-TN-v12021-01-012026-07-26Tennessee Department of Revenue
Texas2026-TX-v12019-01-012026-07-26Texas Comptroller of Public Accounts
Utah2026-UT-v12026-01-012026-07-26Utah State Tax Commission
Vermont2026-VT-v12026-01-012026-07-26Vermont Department of Taxes
Virginia2026-VA-v12026-01-012026-07-26Virginia Department of Taxation
Washington2026-WA-v11933-01-012026-07-26Washington Department of Revenue
West Virginia2026-WV-v12026-01-012026-07-26West Virginia State Tax Department
Wisconsin2026-WI-v12026-01-012026-07-26Wisconsin Department of Revenue
Wyoming2026-WY-v11913-01-012026-07-26Wyoming Department of Revenue