CFR › Title 2 › Part 3000Part 3000 — Nonprocurement Debarment and Suspension§ 3000.10— What does this part do?§ 3000.20— Does this part apply to me?§ 3000.30— What policies and procedures must I follow?Subpart A — General§ 3000.137— Who in the Department of Homeland Security may grant an exception to let an excluded person participate in a covered transaction?Subpart B — Covered Transactions§ 3000.220— What contracts and subcontracts, in addition to those listed in 2 CFR 180.220, are covered transactions?Subpart C — Responsibilities of Participants Regarding Transactions§ 3000.332— What methods must I use to pass requirements down to participants at lower tiers with whom I intend to do business?Subpart D — Responsibilities of Department of Homeland Security Officials Regarding Transactions§ 3000.437— What method do I use to communicate to a participant the requirements described in the Office of Management and Budget guidance at 2 CFR 180.435?