(a) An agreement will terminate upon one of the following, whichever occurs first:

(1) The agreement expires by its own terms, unless the term is extended prior to expiration under § 583.345;

(2) The project is terminated, as set forth in § 583.350; or

(3) A party to the agreement notifies BOEM, in writing, that sufficient OCS sand, gravel, and/or shell resources, up to the amount authorized in the agreement, have been obtained to complete the project.

(b) Absent extraordinary circumstances, no agreement will be for a term longer than five years from its effective date.