26 CFR §53.4965-3 — -3 Prohibited tax shelter transactions.

1. (a)In general. Under section 4965(e), the term prohibited tax shelter transaction means—
   1. (1)Listed transactions within the meaning of section 6707A(c)(2), including subsequently listed transactions described in paragraph (b) of this section; and
   2. (2)Prohibited reportable transactions, which consist of the following reportable transactions within the meaning of section 6707A(c)(1)—
      1. (i)Confidential transactions, as described in § 1.6011-4(b)(3) of this chapter; or
      2. (ii)Transactions with contractual protection, as described in § 1.6011-4(b)(4) of this chapter.
2. (b)Subsequently listed transactions. A subsequently listed transaction for purposes of section 4965 is a transaction that is identified by the Secretary as a listed transaction after the tax-exempt entity has entered into the transaction and that was not a prohibited reportable transaction (within the meaning of section 4965(e)(1)(C) and paragraph (a)(2) of this section) at the time the entity entered into the transaction.
3. (c)Cross-reference. The determination of whether a transaction is a listed transaction or a prohibited reportable transaction for section 4965 purposes shall be made under the law applicable to section 6707A(c)(1) and (c)(2).
4. (d)Effective/applicability dates. See § 53.4965-9 for the discussion of the relevant effective and applicability dates.