
Form 8867 Paid Preparer Due Diligence in 2026: Avoiding $650-Per-Credit Penalties on EITC, CTC, AOTC, and HOH Returns
Form 8867 due diligence carries a $650 penalty per credit in 2026 — up to $2,600 per return — plus EFIN, PTIN, and OPR risk. A practical breakdown of the four IRC §6695-2 duties, the red flags IRS examiners hunt for, and the file structure that survives a 25-return due diligence visit.










