First receive means to take possession for commercial purposes of any fish or any part thereof by purchasing, trading or bartering for it from the fishing vessel owner or operator once it is offloaded, where the vessel has been issued, or should have been issued, a valid permit under this part. First receive does not mean to take possession solely for transport.
50 CFR § 635.2
In addition to the definitions in the Magnuson-Stevens Act, ATCA, and 600.10 of this chapter, the terms used in this part have following meanings. If applicable, the terms used in this part supercede those used in 600.10: