Farm operation
Farm operation means any activity conducted solely or primarily for the production of one or more agricultural products or commodities, including timber, for sale or home use, and customarily producing such products or commodities in sufficient quantity to be capable of contributing materially to the operator's support.
Source
49 CFR § 24.2
Scoping language
Definitions. Unless otherwise noted, the following terms used in this part shall be understood as defined in this section: