Agreements and modifications to agreements between or among ocean common carriers subject to this subpart are:

(a) All agreements identified in §535.201(a), except for low market share agreements identified in §535.311;

(b) Modifications to an agreement that add any of the following authorities:

(1) The discussion of, or agreement upon, whether on a binding basis under a common tariff or a non-binding basis, any kind of rate or charge;

(2) The discussion of, or agreement on, capacity rationalization;

(3) The establishment of a joint service;

(4) The pooling or division of cargo traffic, earnings, or revenues and/or losses; or

(5) The discussion of, or agreement on, any service contract matter; and

(c) Modifications that expand the geographic scope of an agreement containing any authority identified in §535.502(b).