26 CFR 58.6109-1: -1 Tax return preparers furnishing identifying numbers for returns or claims for refund.

(a) In general. Each stock repurchase excise tax return required by § 58.6011-1(a) or claim for refund of tax under chapter 37 of the Internal Revenue Code prepared by one or more signing tax return preparers (as defined in § 301.7701-15(b)(1) of this chapter) must include the identifying number of the preparer required by § 1.6695-1(b) of this chapter to sign the stock repurchase excise tax return or claim for refund in the manner stated in § 1.6109-2 of this chapter.

(b) Applicability date. This section applies to stock repurchase excise tax returns and claims for refund required to be filed after June 28, 2024, and during taxable years ending after June 28, 2024.