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2025–2026 PrompTax filing and payment due dates

Below, you can find electronic transaction information for PrompTax sales and use tax, prepaid sales tax on motor fuel and diesel motor fuel, and petroleum business tax.

PrompTax program years run from September 1 of the previous year through August 31 of the following year. Select a link to view dates for a different program year.

2025–2026 Payment options and deadlines by period
Period Due date ACH debit ACH credit  Fedwire  Certified check
August 23–September 22, 2025 September 25, 2025 5:59 p.m. Eastern time on September 24, 2025 September 24, 2025 September 25, 2025 Postmarked September 23, 2025
September 23–October 22, 2025 October 27, 2025 5:59 p.m. Eastern time on October 24, 2025 October 24, 2025 October 27, 2025 Postmarked October 23, 2025
October 23–November 22, 2025 November 26, 2025 5:59 p.m. Eastern time on November 25, 2025 November 25, 2025 November 26, 2025 Postmarked November 24, 2025
November 23–December 22, 2025 December 26, 2025 5:59 p.m. Eastern time on December 24, 2025 December 24, 2025 December 26, 2025 Postmarked December 23, 2025
December 23–January 22, 2026 January 27, 2026 5:59 p.m. Eastern time on January 26, 2026 January 26, 2026 January 27, 2026 Postmarked January 23, 2026
January 23–February 22, 2026 February 25, 2026 5:59 p.m. Eastern time on February 24, 2026 February 24, 2026 February 25, 2026 Postmarked February 23, 2026
February 23–March 22, 2026 March 25, 2026 5:59 p.m. Eastern time on March 24, 2026 March 24, 2026 March 25, 2026 Postmarked March 23, 2026
March 23–April 22, 2026 April 27, 2026 5:59 p.m. Eastern time on April 24, 2026 April 24, 2026 April 27, 2026 Postmarked April 23, 2026
April 23–May 22, 2026 May 28, 2026 5:59 p.m. Eastern time on May 27, 2026 May 27, 2026 May 28, 2026 Postmarked May 26, 2026
May 23–June 22, 2026 June 25, 2026 5:59 p.m. Eastern time on June 24, 2026 June 24, 2026 June 25, 2026 Postmarked June 23, 2026
June 23–July 22, 2026 July 27, 2026 5:59 p.m. Eastern time on July 24, 2026 July 24, 2026 July 27, 2026 Postmarked July 23, 2026
July 23–August 22, 2026 August 26, 2026 5:59 p.m. Eastern time on August 25, 2026 August 25, 2026 August 26, 2026 Postmarked August 24, 2026
Updated: