Section 9012 Of Article 1. Traps From California Fish And Game Code >> Division 6. >> Part 3. >> Chapter 4. >> Article 1.

. (a) No vessel may be used to take and land crab for both commercial and sport purposes in the same day.
  (b) In Districts 6, 7, 8, and 9, no trap shall be used to take Dungeness crab if that trap is attached to another trap or other traps by a common line.