26 CFR § 1.6654-7 - Applicability.

---
identifier: "/us/cfr/t26/s1.6654-7"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "26 CFR § 1.6654-7 - Applicability."
title_number: 26
title_name: "Internal Revenue"
section_number: "1.6654-7"
section_name: "Applicability."
chapter_name: "INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "INCOME TAX"
part_number: "1"
part_name: "INCOME TAXES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "26 U.S.C. 7805, unless otherwise noted."
regulatory_source: "T.D. 6500, 25 FR 11402, Nov. 26, 1960; 25 FR 14021, Dec. 21, 1960; T.D. 9989, 89 FR 17606, Mar. 11, 2024, unless otherwise noted."
cfr_part: "1"
---


# 1.6654-7 Applicability.

Section 6654 is applicable only with respect to taxable years beginning after December 31, 1954. Section 294(d) of the Internal Revenue Code of 1939 shall continue in force with respect to taxable years beginning before January 1, 1955.

[T.D. 6500, 25 FR 12150, Nov. 26, 1960. Redesignated by T.D. 7282, 38 FR 19028, July 17, 1973. Redesignated by T.D. 9224, 70 FR 52301, Sept. 2, 2005]