---
kind: "section"
citation: "26 U.S.C. § 6622"
title: "26"
title_heading: "Internal Revenue Code"
number: "6622"
heading: "Interest compounded daily"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/26/6622"
units:
  - "Subtitle F — Procedure and Administration"
  - "Chapter 67 — Interest"
  - "Subchapter C — Determination of Interest Rate; Compounding of Interest"
---

# §6622. Interest compounded daily

- (a) **General rule—** In computing the amount of any interest required to be paid under this title or sections [1961(c)(1)](/usc/28/1961.md?p=c-1) or [2411](/usc/28/2411.md) of title 28, United States Code, by the [Secretary](/usc/26/7701.md?p=a-11-B) or by the [taxpayer](/usc/26/7701.md?p=a-14), or any other amount determined by reference to such amount of interest, such interest and such amount shall be compounded daily.
- (b) **Exception for penalty for failure to file estimated tax—** [Subsection (a)](#a) shall not apply for purposes of computing the amount of any addition to tax under section [6654](/usc/26/6654.md) or 6655.

## Source credit

(Added Pub. L. 97–248, title III, § 344(a), Sept. 3, 1982, 96 Stat. 635.)

## Notes

### Statutory Notes and Related Subsidiaries

### Effective Date

Pub. L. 97–248, title III, § 344(c), Sept. 3, 1982, 96 Stat. 636, provided that: “The amendments made by this section [enacting this section and amending section 6601 of this title] shall apply to interest accruing after December 31, 1982.”