# Prop. Treas. Reg. § 301.6724-1: Reasonable cause.

Proposed regulation, not in force. REG-115420-18, 91 FR 57968, published 2026-09-11 <https://www.federalregister.gov/documents/2026/09/11/2026-18574/information-reporting-regarding-qualified-opportunity-zones-and-updated-qualified-opportunity-fund>. Interprets 26 U.S.C. § 6724.

Par. 14. Section 301.6724-1 is amended by: 1. In paragraph (g)(1), removing the language “6721 through 6723” wherever it appears, and adding the language “6721 through 6723 and 6726” in its places; 2. Removing the word “or” from the end of paragraph (g)(1)(i)(B); 3. Adding paragraph (g)(1)(i)(D); 4. Removing the word “and” from the end of paragraph (j)(2); 5. In paragraph (j)(3), removing the period at the end of the paragraph and adding the language “; and” in its place; 6. Adding paragraph (j)(4); 7. In paragraph (n), removing the language “6721 through 6723” and adding the language “6721 through 6723 and 6726” in its place; 8. In paragraph (o)(1), removing the language “paragraphs (o)(2) and (3)” wherever it appears, and adding the language “paragraphs (o)(2) through (4)” in its places; and 9. Adding paragraph (o)(4). The additions read as follows:

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(g) * * *

(1) * * *

(i) * * *

(D) Information return as required by § 1.6039K(a)-1 of this chapter; or

* * * * *

(j) * * *

(4) A failure described under § 301.6726-1(a)(2) relating to the failure to file a timely correct information return as required by section 6039K(b)(1).

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(o) * * *

(4) Information returns and payee statements required under §§ 1.6039K-1 and 1.6039L-1 of this chapter. This section applies to information returns required to be filed under § 1.6039K-1 of this chapter (without extensions) and payee statements required to be furnished under § 1.6039L-1 of this chapter on or after [date of publication of final regulations in the Federal Register ].