If you filed an extension in April, your 2025 return is due Oct. 15, 2026. The extension gave you more time to file, not to pay.
Send these through the portal
- Schedules K-1 that arrived late
- Corrected brokerage forms
- Records for any deduction you want us to review
Send them by early October so we have time to ask questions. Upload tax documents through the client portal, never by email.
Source: IRS Publication 509 (2026).