7 U.S.C. § 1471a

1. (a)The Secretary shall provide emergency feed assistance under this subchapter for the preservation and maintenance of livestock in any State or area of a State where, because of disease, insect infestation, flood, drought, fire, hurricane, earthquake, storm, hot weather, or other natural disaster, the Secretary determines that a livestock emergency exists.
2. (b)
   1. (1)The Secretary shall provide emergency feed assistance under this subchapter for the preservation and maintenance of livestock, to livestock producers that—
      1. (A)conduct farming, ranching, or aquaculture operations in any county contiguous to a county where the Secretary has determined, under subsection (a), that a livestock emergency exists, and
      2. (B)are otherwise eligible for assistance under this subchapter.
   2. (2)The Secretary shall accept applications for assistance under this subsection from producers that are affected by the livestock emergency at any time during the eight-month period beginning on the date on which the Secretary determines that such emergency exists in the other county.