(i) Biodegradable panel. Each pot used to fish for groundfish must be equipped with a biodegradable panel at least 18 inches (45.72 cm) in length that is parallel to, and within 6 inches (15.24 cm) of, the bottom of the pot, and that is sewn up with untreated cotton thread of no larger size than No. 30.
50 CFR § 679.2
In addition to the definitions in the Magnuson-Stevens Act and in part 600 of this chapter, the terms used in this part have the following meanings: