49 C.F.R. § 1018.63 Termination of collection action.
Title 49 - Transportation
Collection action shall be terminated: (a) Whenever it is determined that the claim is legally without merit; or (b) When it is determined that the evidence necessary to prove the claim cannot be produced, or necessary witnesses are unavailable, and efforts to induce voluntary payments have been unavailing.
Title 49: Transportation
PART 1018—DEBT COLLECTION
Subpart D—Suspension or Termination of Collection Action
§ 1018.63 Termination of collection action.