Home › CFR › Title 26 › Part 301 › §301.6425-126 CFR §301.6425-1 — -1 Adjustment of overpayment of estimated income tax by corporation.Verified against eCFR.gov as of November 12, 2026 ↗View official text on eCFR.gov ↗Copy linkFor regulations under section 6425, see §§ 1.6425-1 to 1.6425-3, inclusive, of this chapter (Income Tax Regulations).