(1) Carrier, lessor.— 
The terms carrier and lessor include a receiver or trustee of a pipeline carrier and lessor, respectively.

(2) Lessor.— 
The term lessor means a person owning a pipeline that is leased to and operated by a carrier providing transportation under this part.

(3) Association.— 
The term association means an organization maintained by or in the interest of a group of pipeline carriers that performs a service, or engages in activities, related to transportation under this part.