Chapter 56a. Pacific Salmon Fishing 16 U.S. Code §3631. Definitions 16 U.S. Code §3632. United States Section 16 U.S. Code §3633. Authority and responsibility 16 U.S. Code §3634. Interagency cooperation 16 U.S. Code §3635. Preemption 16 U.S. Code §3636. Rulemaking 16 U.S. Code §3637. Prohibited acts and penalties 16 U.S. Code §3638. General standard 16 U.S. Code §3639. Advisory committee 16 U.S. Code §3640. Administrative matters 16 U.S. Code §3641. Authorization of appropriations 16 U.S. Code §3642. Disposition of property of International Pacific Salmon Fisheries Commission 16 U.S. Code §3643. Savings provision 16 U.S. Code §3644. Restriction on spending authority 16 U.S. Code §3645. Northern and Southern Funds; treaty implementation; additional authorization of appropriations