34 C.F.R. § 85.300 What must I do before I enter into a covered transaction with another person at the next lower tier?
Title 34 - Education
When you enter into a covered transaction with another person at the next lower tier, you must verify that the person with whom you intend to do business is not excluded or disqualified. You do this by: (a) Checking the EPLS; or (b) Collecting a certification from that person if allowed by this rule; or (c) Adding a clause or condition to the covered transaction with that person. Authority: E.O. 12549 (3 CFR, 1986 Comp., p. 189); E.O 12689 (3 CFR, 1989 Comp., p. 235); 20 U.S.C. 1082, 1094, 1221e-3 and 3474; and Sec. 2455, Pub. L. 103–355, 108 Stat. 3243 at 3327.
Title 34: Education
PART 85—GOVERNMENTWIDE DEBARMENT AND SUSPENSION (NONPROCUREMENT)
Subpart C—Responsibilities of Participants Regarding Transactions
Doing Business With Other Persons
§ 85.300 What must I do before I enter into a covered transaction with another person at the next lower tier?

