Sport fishing means:
(1) In regulatory area 2A, all fishing other than commercial fishing and treaty Indian ceremonial and subsistence fishing; and
(2) In waters in and off Alaska, all fishing other than commercial fishing and subsistence fishing.
50 CFR § 300.61
In addition to the terms defined in 300.2 and those in the Act and the Convention, the terms used in this subpart have the following meanings. If a term is defined differently in 300.2, the Act, or the Convention, the definition in this section shall apply.