43 C.F.R. § 42.355 What information must I provide to a higher tier participant before entering into a covered transaction with that participant?
Title 43 - Public Lands: Interior
Before you enter into a covered transaction with a person at the next higher tier, you as a lower tier participant must notify that person if you know that you or any of the principals are presently excluded or disqualified.
Title 43: Public Lands: Interior
PART 42—GOVERNMENTWIDE DEBARMENT AND SUSPENSION (NONPROCUREMENT)
Subpart C—Responsibilities of Participants Regarding Transactions
Disclosing Information—Lower Tier Participants
§ 42.355 What information must I provide to a higher tier participant before entering into a covered transaction with that participant?

