Exceptions:

• Unmixed seed, whole or mechanically altered, made directly from the entire seed, when not adulterated.
  
  

• Unground hay, straw, stover, silage, cobs, husks, and hulls when not mixed with other materials, and when not adulterated.
  
  

• Individual chemical compounds when not mixed with other materials and when not adulterated
  
  Note: at this time, the only material that meets this exemption's requirements is loose salt.
  
  

• Feeds distributed and used for any domesticated animal kept as a pet which is normally confined to and maintained in a cage or tank, including but not limited to gerbils, hamsters, canaries, psittacine birds, mynahs, finches, tropical fish, goldfish, snakes, and turtles.

Common or Usual Name
The name of a feed ingredient that has been established by common usage, by establishment of a regulation, or in a standard of identity. It is uniform among all identical or similar products and is not confusingly similar to the name of any other food that is not reasonably covered by the same name. 

Customer Formula Feed
Commercial feed which consists of a mixture of commercial feeds, a mixture of commercial feeds and other ingredients, or a mixture of other ingredients, each batch of which is mixed according to the specific instructions of the final purchaser.

Person
An individual, partnership, association, firm, or corporation.

Manufacturer
A person who processes, grinds, mixes, packages, or blends custom or commercial feed for distribution.

Distributor
A person who offers for sale, holds for sale, barters, or otherwise supplies commercial feed for feeding purposes.

Note: This definition does not generally apply to retail merchants of commercial feed unless their name is shown on the label of a commercial feed as the labeler.

Drug
A substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease in man or other animals.

A substance other than food intended to affect the structure or a function of the body of man or other animals.

Note: This definition includes products with growth and/or production claims (e.g. increases milk or egg production, grows trophy antlers).

Label
A display of written, printed, or graphic matter upon or affixed to the container in which a commercial feed is distributed, or on the invoice or delivery slip with which a commercial feed is distributed.

Labeling
All labels and other written, printed, or graphic matter upon or accompanying commercial feed at any time, and includes advertising or sales literature.