50 C.F.R. § 660.211
These definitions are specific to the limited entry fixed gear fisheries covered in this subpart. General groundfish definitions are found at §660.11, subpart C.
Daily Trip Limit (DTL) Fishery means a sablefish fishery that occurs both north and south of 36° N. lat. that is subject to trip limit restrictions including daily and/or weekly and/or bimonthly trip limits.
Limited entry fixed gear fishery means the fishery composed of vessels registered to limited entry permits with longline and pot/trap endorsements.
Sablefish primary fishery means, for the limited entry fixed gear sablefish fishery north of 36° N. lat, the fishery where vessels registered to at least one limited entry permit with both a gear endorsement for longline or trap (or pot) gear and a sablefish endorsement fish up to a specified tier limit and when they are not eligible to fish in the DTL fishery.
Sablefish primary season means, for the limited entry fixed gear sablefish fishery north of 36° N. lat, the period when vessels registered to at least one limited entry permit with both a gear endorsement for longline or trap (or pot) gear and a sablefish endorsement, are allowed to fish in the sablefish primary fishery described at §660.231 of this subpart.
Tier limit means a specified amount of sablefish that may be harvested by a vessel registered to a limited entry fixed gear permit(s) with a Tier 1, Tier 2, and/or Tier 3 designation; a gear endorsement for longline or trap (or pot) gear; and a sablefish endorsement.
50 C.F.R. §660.211