The following words and terms, when used in this subchapter, have the following meanings, unless the context clearly indicates otherwise. Those definitions and interpretations of terms of the Texas Food, Drug, and Cosmetic Act, Texas Health and Safety Code, Chapter 431, are also applicable when used in this subchapter.(1) Adequate--That which is needed to accomplish the intended purpose in keeping with good public health practice.(2) Bulk vehicle--A tank truck, hopper truck, cargo tank, portable tank, freight container, or hopper bin, or any other vehicle in which food is shipped in bulk, with the food coming into direct contact with the vehicle.(3) Carrier--Any person who transports food while operating as a parcel delivery service.(4) Cross-contact--The unintentional incorporation of a food allergen into food.(5) Farm--Means:(A) Primary production farm. A primary production farm is an operation under one management in one general (but not necessarily contiguous) physical location devoted to the growing of crops, the harvesting of crops, the raising of animals (including seafood), or any combination of these activities. The term "farm" includes operations that, in addition to these activities:(i) pack or hold raw agricultural commodities;(ii) pack or hold processed food, provided that all processed food used in such activities is either consumed on that farm or another farm under the same management, or is processed food identified in clause (iii)(II)(-a-) of this subparagraph; and(iii) manufacture/process food, provided that:(I) all food used in such activities is consumed on that farm or another farm under the same management; or(II) any manufacturing/processing of food that is not consumed on that farm or another farm under the same management consists only of:(-a-) drying/dehydrating raw agricultural commodities to create a distinct commodity (such as drying/dehydrating grapes to produce raisins), and packaging and labeling such commodities, without additional manufacturing/processing (an example of additional manufacturing/processing is slicing);(-b-) treatment to manipulate the ripening of raw agricultural commodities (such as by treating produce with ethylene gas), and packaging and labeling treated raw agricultural commodities, without additional manufacturing/processing; and;(-c-) packaging and labeling raw agricultural commodities, when these activities do not involve additional manufacturing/processing (an example of additional manufacturing/processing is irradiation); or(B) secondary activities farm. A secondary activities farm is an operation, not located on a primary production farm, devoted to harvesting (such as hulling or shelling), packing, and/or holding of raw agricultural commodities, provided that the primary production farm(s) that grows, harvests, and/or raises the majority of the raw agricultural commodities harvested, packed, and/or held by the secondary activities farm owns, or jointly owns, a majority interest in the secondary activities farm. A secondary activities farm may also conduct those additional activities allowed on a primary production farm as described in subparagraph (A)(ii) and (iii) of this paragraph.(6) Food allergen--A major food allergen is:(A) Milk, egg, fish (e.g., bass, flounder, or cod), Crustacean shellfish (e.g., crab, lobster, or shrimp), tree nuts (e.g., almonds, pecans, or walnuts), wheat, peanuts, and soybeans.(B) A food ingredient that contains protein derived from a food specified in subparagraph (A) of this paragraph, except the following:(i) any highly refined oil derived from a food specified in subparagraph (A) of this paragraph and any ingredient derived from such highly refined oil.(ii) a food ingredient that is exempt under United States Code