October 15 Extension Deadline: What Filers Must Complete Before the 2025 Return Cutoff

October 15 Extension Deadline: What Filers Must Complete Before the 2025 Return Cutoff

October 15 Extension Deadline: What Filers Must Complete Before the 2025 Return CutoffSteve Perry
Published on: 29/09/2026

October 15, 2026 closes the 2025 extension window. Learn what to finish before the cutoff, how IRS matching continues into 2027, and which options narrow after the date passes.

October 15 extension deadline2025 tax return extensionForm 4868 extensionfailure to pay penaltyfailure to file penaltyIRS installment agreementIRS payment planCP2000 noticeAutomated UnderreporterIRS information matchingwage and income transcriptIRS notice of intent to levyIRS interest rates 2026year end tax planningenrolled agent AtlantaIRS resolution expertSteve Perry EABooks Taxes and More
The September 15 Deadline Countdown: Everything Business Owners Must File and Pay

The September 15 Deadline Countdown: Everything Business Owners Must File and Pay

The September 15 Deadline Countdown: Everything Business Owners Must File and PaySteve Perry
Published on: 08/09/2026

September 15, 2026, brings a Q3 estimated tax payment and the extended partnership and S corporation filing deadline together. See what business owners must file, pay, and plan next.

September 15 tax deadlineQ3 estimated tax payment 2026Form 1065 extension deadlineForm 1120S extension deadlineIRS underpayment penaltypartnership late filing penaltyS corporation late filing penaltyIRS notice of intent to levyIRS collection due process hearingSchedule K-1 deadlineIRS information matchingSteve Perry EA Atlanta tax resolution