49 CFR § 604.10
Agreement with registered charter providers
November 18, 2020
(a) A recipient may provide charter service directly to a customer consistent with an agreement entered into with all registered charter providers in the recipient's geographic service area.
(b) If a new charter provider registers in the geographic service area subsequent to the initial agreement, the recipient may continue to provide charter service under the previous agreement with the other charter providers up to 90 days without an agreement with the newly registered charter provider.
(c) Any of the parties to an agreement may cancel the agreement at any time after providing the recipient a 90-day notice.