Eligible ports for transit shipments.

You may transit restricted organisms only through a port of entry staffed by an APHIS inspector. 7 7 To find out if a specific port is staffed by an APHIS inspector, or for a list of ports staffed by APHIS inspectors, contact Permit Unit, PPQ, APHIS, 4700 River Road Unit 133, Riverdale, MD 20737-1236; toll-free (877) 770-5990; fax (301) 734-8700.