45 CFR § 75.112 - Conflict of interest.
(a) HHS awarding agencies must establish conflict of interest policies for Federal awards. The non-Federal entity must disclose in writing any potential conflict of interest to the respective HHS awarding agency or pass-through entity in accordance with applicable HHS awarding agency's policy. As a general matter, HHS awarding agencies' conflict of interest policies must:
(1) Address conditions under which outside activities, relationships, or financial interests are proper or improper;
(2) Provide for advance notification of outside activities, relationships, or financial interests, and a process of review as appropriate; and
(3) Outline how financial conflicts of interest may be addressed.