In this chapter:

The term “adjusted share” means the number equal to the quotient obtained by dividing—

(A) the number equal to the quotient obtained by dividing— (i) the base share for the eligible county; by (ii) the income adjustment for the eligible county; by

(B) the number equal to the sum of the quotients obtained under subparagraph (A) and paragraph (8)(A) for all eligible counties.

The term “base share” means the number equal to the average of—

(A) the quotient obtained by dividing— (i) the number of acres of Federal land described in paragraph (7)(A) in each eligible county; by (ii) the total number acres [1] of Federal land in all eligible counties in all eligible States; and

(B) the quotient obtained by dividing— (i) the amount equal to the average of the 3 highest 25-percent payments and safety net payments made to each eligible State for each eligible county during the eligibility period; by (ii) the amount equal to the sum of the amounts calculated under clause (i) and paragraph (9)(B)(i) for all eligible counties in all eligible States during the eligibility period.

(3) County payment The term “county payment” means the payment for an eligible county calculated under section 7111(b) of this title.

The term “eligible county” means any county that—

(A) contains Federal land (as defined in paragraph (7)); and

(B) elects to receive a share of the State payment or the county payment under section 7112(b) of this title.

(5) Eligibility period The term “eligibility period” means fiscal year 1986 through fiscal year 1999.

(6) Eligible State The term “eligible State” means a State or territory of the United States that received a 25-percent payment for 1 or more fiscal years of the eligibility period.

The term “Federal land” means—

(A) land within the National Forest System, as defined in section 1609(a) of this title exclusive of the National Grasslands and land utilization projects designated as National Grasslands administered pursuant to the Act of July 22, 1937 (7 U.S.C. 1010–1012); and

(B) such portions of the revested Oregon and California Railroad and reconveyed Coos Bay Wagon Road grant land as are or may hereafter come under the jurisdiction of the Department of the Interior, which have heretofore or may hereafter be classified as timberlands, and power-site land valuable for timber, that shall be managed, except as provided in the former section 3 of the Act of August 28, 1937 (50 Stat. 875; 43 U.S.C. 1181c), for permanent forest production.

The term “50-percent adjusted share” means the number equal to the quotient obtained by dividing—

(A) the number equal to the quotient obtained by dividing— (i) the 50-percent base share for the eligible county; by (ii) the income adjustment for the eligible county; by

(B) the number equal to the sum of the quotients obtained under subparagraph (A) and paragraph (1)(A) for all eligible counties.

The term “50-percent base share” means the number equal to the average of—

(A) the quotient obtained by dividing— (i) the number of acres of Federal land described in paragraph (7)(B) in each eligible county; by (ii) the total number acres 1 of Federal land in all eligible counties in all eligible States; and

(B) the quotient obtained by dividing— (i) the amount equal to the average of the 3 highest 50-percent payments made to each eligible county during the eligibility period; by (ii) the amount equal to the sum of the amounts calculated under clause (i) and paragraph (2)(B)(i) for all eligible counties in all eligible States during the eligibility period.

(10) 50-percent payment The term “50-percent payment” means the payment that is the sum of the 50-percent share otherwise paid to a county pursuant to title II of the Act of August 28, 1937 (chapter 876; 50 Stat. 875; 43 U.S.C. 1181f),[2] and the payment made to a county pursuant to the Act of May 24, 1939 (chapter 144; 53 Stat. 753; 43 U.S.C. 1181f–1 et seq.) .

The term “full funding amount” means—

(A) $500,000,000 for fiscal year 2008;

(B) for each of fiscal years 2009 through 2011, the amount that is equal to 90 percent of the full funding amount for the preceding fiscal year;

(C) for fiscal year 2012 through fiscal year 2015, the amount that is equal to 95 percent of the full funding amount for the preceding fiscal year;

(D) for fiscal year 2017, the amount that is equal to 95 percent of the full funding amount for fiscal year 2015; and

(E) for fiscal year 2018 and each fiscal year thereafter, the amount that is equal to 95 percent of the full funding amount for the preceding fiscal year.

The term “income adjustment” means the square of the quotient obtained by dividing—

(A) the per capita personal income for each eligible county; by

(B) the median per capita personal income of all eligible counties.

(13) Per capita personal income The term “per capita personal income” means the most recent per capita personal income data, as determined by the Bureau of Economic Analysis.

(14) Safety net payments The term “safety net payments” means the special payment amounts paid to States and counties required by section 13982 or 13983 2 of the Omnibus Budget Reconciliation Act of 1993 (Public Law 103–66; 16 U.S.C. 500 note; 43 U.S.C. 1181f note).

The term “Secretary concerned” means—

(A) the Secretary of Agriculture or the designee of the Secretary of Agriculture with respect to the Federal land described in paragraph (7)(A); and

(B) the Secretary of the Interior or the designee of the Secretary of the Interior with respect to the Federal land described in paragraph (7)(B).

(16) State payment The term “State payment” means the payment for an eligible State calculated under section 7111(a) of this title.

(17) 25-percent payment The term “25-percent payment” means the payment to States required by the sixth paragraph under the heading of “FOREST SERVICE” in the Act of May 23, 1908 (35 Stat. 260; 16 U.S.C. 500), and section 13 of the Act of March 1, 1911 (36 Stat. 963; 16 U.S.C. 500).

(Pub. L. 106–393, § 3, as added Pub. L. 110–343, div. C, title VI, § 601(a), Oct. 3, 2008, 122 Stat. 3894; amended Pub. L. 112–141, div. F, title I, § 100101(a)(1), July 6, 2012, 126 Stat. 905; Pub. L. 115–141, div. O, title IV, § 401(a)(1), Mar. 23, 2018, 132 Stat. 1076; Pub. L. 115–334, title VIII, § 8704(a)(1)(B), Dec. 20, 2018, 132 Stat. 4877.)