2 C.F.R. § 180.710 : Grants and Agreements — OFFICE OF MANAGEMENT AND BUDGET GUIDANCE FOR GRANTS AND AGREEMENTS — OFFICE OF MANAGEMENT AND BUDGET GOVERNMENTWIDE GUIDANCE FOR GRANTS AND AGREEMENTS — OMB GUIDELINES TO AGENCIES ON GOVERNMENTWIDE DEBARMENT AND SUSPENSION (NONPROCUREMENT) — SUSPENSION — When does a suspension take effect?

A suspension is effective when the suspending official signs the decision to suspend.

2 C.F.R. §180.710