"Entering the United States
U.S. Customs Agent Inspecting VehicleThe U.S. CBP enforces hundreds of laws for other government agencies, such as the U.S. Fish and Wildlife Service, the U.S. Department of Agriculture and the Centers for Disease Control and Prevention. Each of these agencies have rules that prevent the import of items they deem unsafe. CBP officers have responsibility for enforcing those prohibitions at the border.
There are a couple of different classifications
Prohibited means the item is forbidden by law to enter the United States. Examples of prohibited items are dangerous toys, cars that don’t protect their occupants in a crash, bush meat, or illegal substances like absinthe and Rohypnol.
Restricted means that special licenses or permits are required from a federal agency before the item is allowed to enter the United States. Examples of restricted items include firearms, certain fruits and vegetables, animal products, animal by products, and some animals.
The regulations change from time-to-time because they are based on current perceived threats to U.S. Fines for bringing a prohibited or restricted item across the border range form $100 to $50,000.
Here is a general list of the more common restricted or prohibited items:
As a general rule, prepared foods for personal consumption or for family/friend gatherings is allowed. However, all fruits, vegetables, plants and plant material of any type must be declared and inspected. There are a lot of regulations in this area and admissibility will also depend on where you are going after you arrive in the United States. The fine for failing to declare agricultural items at U.S. ports of entry is $300 for first time offenders. You may check the general admissibility of various plants by consulting APHIS’s FAVIR database.
Cooked eggs and foods such as breakfast tacos, egg plates and hard boiled eggs are prohibited.
The regulations governing meat and meat products are stringent. You may not import fresh, dried or canned meats or meat products or foods that have been prepared with meat.