S.C. Code Regs. 3-402.11. Parasite Destruction

(A) Except as specified in (B) of this section, before service or sale in ready-to-eat form, raw, raw-marinated, partially cooked, or marinated-partially cooked fish shall be: (1) Frozen and stored at a temperature of -4 degrees F (-20 degrees C) or below for a minimum of one hundred sixty-eight (168) hours (seven (7) days) in a freezer; P (2) Frozen at -31 degrees F (-35 degrees C) or below until solid and stored at -31 degrees F (-35 degrees C) or below for a minimum of fifteen (15) hours; P or (3) Frozen -31 degrees F (-35 degrees C) or below until solid and stored at -4 degrees F (-20 degrees C) or below for a minimum of twenty-four (24) hours. P (B) Paragraph (A) of this section does not apply to: (1) Molluscan shellfish; (2) A scallop product consisting only of the shucked adductor muscle; (3) Tuna of the species Thunnus alalunga, Thunnus albacares (Yellowfin tuna), Thunnus atlanticus, Thunnus maccoyii (Bluefin tuna, Southern), Thunnus obesus (Bigeye tuna), or Thunnus thynnus (Bluefin tuna, Northern); or (4) Aquacultured fish, such as salmon, that: (a) If raised in open water, are raised in net-pens, or (b) Are raised in land-based operations such as ponds or tanks, and (c) Are fed formulated feed, such as pellets, that contains no live parasites infective to the aquacultured fish. (5) Fish eggs that have been removed from the skein and rinsed.