010-3 Wyo. Code R. § 3-35
(a) Except as specified in Chapter 3, Section 35(b), if raw-marinated, partially cooked, or marinated-partially cooked fish are served or sold in ready-to-eat form, the person in charge shall record the freezing temperature and time to which the fish are subjected and shall retain the records at the establishment for ninety (90) calendar days beyond the time of service or sale of the fish.
(b) If the fish are frozen by a supplier, a written agreement or statement from the supplier stipulating that the fish supplied are frozen to a temperature and for a time specified under Chapter 3, Section 34, may substitute for the records specified under Chapter 3, Section 35(a).
(c) If raw, raw-marinated, partially cooked, or marinated-partially cooked fish are served or sold in ready-to-eat form, and the fish are raised and fed as specified in Chapter 3, Section 34(b) (i), a written agreement or statement from the supplier or aquaculturist stipulating that the fish were raised and fed as specified in Chapter 3, Section 34(b) (i) shall be obtained by the person in charge and retained in the records of the food establishment for 90 calendar days beyond the time of service or sale of the fish.
010-3 Wyo. Code R. § 3-35