32 C.F.R. § 25.355 What information must I provide to a higher tier participant before entering into a covered transaction with that participant?
Title 32 - National Defense
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 32: National Defense
PART 25—GOVERNMENTWIDE DEBARMENT AND SUSPENSION (NONPROCUREMENT)
Subpart C—Responsibilities of Participants Regarding Transactions
§ 25.355 What information must I provide to a higher tier participant before entering into a covered transaction with that participant?

