(4) Section IV shall be completed by parties to agreements identified in § 535.502 that contain any of the following authorities:
- (i) 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;
- (ii) The establishment of a joint service;
- (iii) The pooling or division of cargo traffic, earnings, or revenues and/or losses; or
- (iv) The discussion of, or agreement on, any service contract matter.