50 CFR § 622.382 - Bag and possession limits.
Section 622.11(a) provides the general applicability for bag and possession limits.
(a) King mackerel and Spanish mackerel -
(1) Bag limits.
(i) Atlantic migratory group king mackerel -
(A) Mid-Atlantic and South Atlantic, other than off Florida - 3.
(B) Off Florida - 2, which is the daily bag limit specified by Florida for its waters (Rule 68B-12.004(1), Florida Administrative Code, in effect as of July 15, 1996 (incorporated by reference, see § 622.413). If Florida changes its limit, the bag limit specified in this paragraph (a)(1)(i)(B) will be changed to conform to Florida's limit, provided such limit does not exceed 5.
(C) Mid-Atlantic, South Atlantic, and off Florida - 4.
(ii) Gulf migratory group king mackerel - 3.
(iii) Atlantic migratory group Spanish mackerel - 15.
(iv) Gulf migratory group Spanish mackerel - 15.
(v) Coastal migratory pelagic fish within certain South Atlantic SMZs - § 622.11(a) notwithstanding, all harvest and possession of coastal migratory pelagic fish within the South Atlantic SMZs specified in § 622.182(a)(1)(i) through (xi), (a)(1)(xx), and (a)(1)(xxii) through (xxxix) is limited to the bag limits specified in paragraphs (a)(1)(i) through (iv) of this section.
(2) Possession limits. A person who is on a trip that spans more than 24 hours may possess no more than two daily bag limits, provided such trip is on a vessel that is operating as a charter vessel or headboat, the vessel has two licensed operators aboard, and each passenger is issued and has in possession a receipt issued on behalf of the vessel that verifies the length of the trip.
(b) [Reserved]