C.F.R.
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Title 50
» CHAPTER I—UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR › SUBCHAPTER B—TAKING, POSSESSION, TRANSPORTATION, SALE, PURCHASE, BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS › PART 14—IMPORTATION, EXPORTATION, AND TRANSPORTATION OF WILDLIFE › Subpart J—Standards for the Humane and Healthful Transport of Wild Mammals and Birds to the United States
A marine mammal shall not be transported for more than a period of 36 hours without being offered suitable food unless the shipper's written instructions or the shipper's attendant travelling with the mammal direct otherwise. After feeding, a marine mammal shall be rested for 6 hours prior to resuming transport.