46 CFR §535.312

1. (a)For purposes of this section, vessel charter party shall mean a contractual agreement between two ocean common carriers for the charter of the full reach of a vessel, which agreement sets forth the entire terms and conditions (including duration, charter hire, and geographical or operational limitations, if any) under which the vessel will be employed.
2. (b)Vessel charter parties, as defined in paragraph (a) of this section, are exempt from the filing requirements of the Act and this part.
3. (c)The filing fee for optional filing of vessel charter parties is provided in § 535.401(g).