16 U.S.C. § 7141

In this subchapter: (1) County funds The term “county funds” means all funds an eligible county elects under section 7112(d) of this title to reserve for expenditure in accordance with this subchapter. (2) Participating county The term “participating county” means an eligible county that elects under section 7112(d) of this title to expend a portion of the Federal funds received under section 7112 of this title in accordance with this subchapter.