​​​​​​NOTE: If a return due date falls on a scheduled holiday or weekend, returns will be due the next working day.


December 10

  • Legal Process
  • Twice-Monthly Income Tax Withholding Return (November 16—November 30 payment)

December 15

  • Corporation Income Tax/LLET and Pass-through Entity Return and Payment Due (FY ending 8/31)
  • Estimated Corporation Income Tax/Limited Liability Entity Tax/One Fourth Estimate (FY ending 8/31)
  • Estimated Corporation Income Tax/Limited Liability Entity Tax/One Fourth Estimate (FY ending 6/30)
  • Estimated Corporation Income Tax/Limited Liability Entity Tax/One Fourth Estimate (FY ending 3/31)
  • Estimated Corporation Income Tax/Limited Liability Entity Tax/One Fourth Estimate (FY ending 12/31)​
  • Monthly Income Tax Withholding Return (November payment)
  • Motor Vehicle Usage Tax—Loaner/Rental​
  • Nonresident Withholding Tax Return and Payment Due (FY ending 8/31)​

December 21

  • Alcohol Tax
  • Cigarette Wholesaler
  • Coal Severance Tax Return (November payment)
  • Commercial Mobile Radio Service (CMRS) 911 Charge
  • Consumer Use Tax
  • Health Care Provider Tax
  • Insurance Premium Surcharge
  • Motor Vehicle Rental/Ride Share Tax
  • Oil Production Tax Return (November payment)​
  • Sales Tax (Monthly)
  • Sports Wagering Excise Tax
  • Telecommunications Tax
  • Tobacco and Vapor Products, Snuff, and Chewing Tobacco
  • Transient Room Tax
  • Utility Gross Receipts License Tax
  • Waste Tire Fee

December 28

  • Electric Vehicle Power Excise Tax
  • Motor Fuels Tax​
  • Sales Tax Accelerated Filers
  • Twice-Monthly Income Tax Withholding Return (December 1—December 15 payment)

December 31

  • Minerals and Gas Severance Tax Return (November payment)




2026 Tax Calendar

   January
   February
   March
   April
   May
   June
   July
   August
   September
   October
   November