26 CFR § 1.181-6 - Effective/applicability date.

---
identifier: "/us/cfr/t26/s1.181-6"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "26 CFR § 1.181-6 - Effective/applicability date."
title_number: 26
title_name: "Internal Revenue"
section_number: "1.181-6"
section_name: "Effective/applicability date."
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"
---


# 1.181-6 Effective/applicability date.

(a) *In general.* Except as otherwise provided in this section, §§ 1.181-1 through 1.181-5 apply to productions the first day of principal photography for which occurs on or after September 29, 2011. Paragraphs 1.181-1(a)(1)(ii), (a)(6), (b)(1)(ii), (b)(2)(vi), and (c)(2) of § 1.181-1 apply to productions to which section 181 is applicable and for which the first day of principal photography or in-between animation occurs on or after December 7, 2012.

(b) *Pre-effective date productions.* For any taxable year for which the period of limitation on refund or credit under section 6511 has not expired, the owner may apply §§ 1.181-1 through 1.181-5 to any production to which section 181 applies and for which the first day of principal photography (or in-between animation) occurred before December 7, 2012, provided the owner applies all relevant provisions of §§ 1.181-1 through 1.181-5 to the production.

[T.D. 9603, 77 FR 72924, Dec. 7, 2012]