26 CFR § 1.481-6 - Effective dates; applicability dates.
---
identifier: "/us/cfr/t26/s1.481-6"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "26 CFR § 1.481-6 - Effective dates; applicability dates."
title_number: 26
title_name: "Internal Revenue"
section_number: "1.481-6"
section_name: "Effective dates; applicability dates."
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"
---
# 1.481-6 Effective dates; applicability dates.
(a) Sections 1.481-1, 1.481-2, 1.481-3, and 1.481-4 are effective for Consent Agreements signed on or after December 27, 1994. For Consent Agreements signed before December 27, 1994, see §§ 1.481-1, 1.481-2, 1.481-3, 1.481-4, and 1.481-5 as contained in 26 CFR part 1, revised as of April 1, 1995.
(b) Section 1.481-5 applies to taxable years beginning October 20, 2020. However, a corporation may choose to apply the rules in §§ 1.481-5, 1.1371-1, and 1.1371-2 in their entirety to taxable years beginning on or before October 20, 2020. If a corporation makes the choice described in the previous sentence, the corporation must continue to apply the rules in §§ 1.481-5, 1.1371-1, and 1.1371-2 in their entirety for the corporation's subsequent taxable years.
[T.D. 9914, 85 FR 66478, Oct. 20, 2020]