(1) In general A funding agreement for a grant under subsection (a) of this section is that the public entity involved will, with respect to the costs to be incurred by the entity in carrying out the purpose described in such subsection, make available (directly or through
donations from public or private entities) non-Federal contributions toward such costs in an amount that
(A) for the first fiscal year for which the entity receives payments from a grant under such subsection, is not less than $1 for each $3 of Federal funds provided in the grant;
(B) for any second or third such fiscal year, is not less than $1 for each $3 of Federal funds provided in the grant;
(C) for any fourth such fiscal year, is not less than $1 for each $1 of Federal funds provided in the grant; and
(D) for any fifth and sixth such fiscal year, is not less than $2 for each $1 of Federal funds provided in the grant.
(2) Determination of amount contributed
(A) Non-Federal contributions required in paragraph (1) may be in cash or in kind, fairly evaluated, including plant, equipment, or services. Amounts provided by the Federal Government, or services assisted or subsidized to any significant extent by the Federal Government, may not be included in determining the amount of such non-Federal contributions.
(B) In making a determination of the amount of non-Federal contributions for purposes of subparagraph (A), the Secretary may include only non-Federal contributions in excess of the average amount of non-Federal contributions made by the public entity involved toward the purpose described in subsection (a) of this section for the 2-year period preceding the first fiscal year for which the entity receives a grant under such section.