### Question
What is the definition of association?


### Answer
The definition of **association** is as follows in *49 U.S.C. § 15721*:

> 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

#### Citation:
  - *49 U.S.C. § 15721*
  - Heading: **SUBTITLE IV-INTERSTATE TRANSPORTATION > PART C-PIPELINE CARRIERS > CHAPTER 157-OPERATIONS OF CARRIERS > SUBCHAPTER B-OPERATIONS OF CARRIERS**

