October 15 Superseding Return Deadline: Rewrite Your Return Before You Amend

Steve Perry

Published on: 14/10/2026

Before October 15, a superseding return replaces your extended 2025 return. After that, fixes become amendments, and some depreciation and expensing elections may be lost.

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Filed on Extension? Your Form 2210 Safe Harbor May Still Protect You

Steve Perry

Published on: 08/10/2026

Filing late didn't make your Form 2210 penalty worse. The safe harbors still apply, but the reductions only work if you claim them. Here's what to check before October 15.

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