Code of Federal Regulations Title 50. Wildlife and Fisheries § 50.14.81 Marking requirement

Except as otherwise provided in this subpart, no person may import, export, or transport in interstate commerce any container or package containing any fish or wildlife (including shellfish and fishery products) unless he/she marks each container or package conspicuously on the outside with both the name and address of the shipper and consignee. An accurate and legible list of its contents by species scientific name and the number of each species and whether or not the listed species are venomous must accompany the entire shipment.