D.C. Code § 29-306.72
(a) Except as otherwise provided in subsection (b) of this section, directors’ action respecting a director’s conflicting interest transaction shall be effective for the purposes of § 29-306.71(b)(1) if the transaction has been authorized by the affirmative vote of a majority, but no fewer than 2, of the qualified directors who voted on the transaction, after required disclosure by the conflicted director of information not already known by such qualified directors, or after modified disclosure in compliance with subsection (b) of this section; provided, that:
(2)
(B)
(b) Notwithstanding subsection (a) of this section, when a transaction is a director’s conflicting interest transaction only because a related person described in § 29-306.70(5)(E) or (F) is a party to or has a material financial interest in the transaction, the conflicted director shall not be obligated to make required disclosure to the extent that the director reasonably believes that doing so would violate a duty imposed under law, a legally enforceable obligation of confidentiality, or a professional ethics rule; provided, that the conflicted director discloses to the qualified directors voting on the transaction:
July 2, 2011, D.C. Law 18-378, § 2, 58 DCR 1720
This section is referenced in § 29-301.21, § 29-306.31, § 29-306.70, § 29-306.71, § 29-306.80, § 29-311.01, and § 29-311.50.