Subject to the availability of appropriated funds, the Secretary concerned, when engaged or proposing to engage in an activity described in subsection (b) that may or will result in an adverse impact to one or more species protected (or pending protection) under any applicable provision of law, or habitat for such species, may make payments to a conservation banking program or “in-lieu-fee” mitigation sponsor approved in accordance with—

(1) the Federal Guidance for the Establishment, Use and Operation of Mitigation Banks (60 Fed. Reg. 58605; November 28, 1995);

(2) the Guidance for the Establishment, Use, and Operation of Conservation Banks (68 Fed. Reg. 24753; May 2, 2003);

(3) the Federal Guidance on the Use of In-Lieu-Fee Arrangements for Compensatory Mitigation Under Section 404 of the Clean Water Act and Section 10 of the Rivers and Harbors Act (65 Fed. Reg. 66915; November 7, 2000); or

(4) any successor or related administrative guidance or regulation.

Payments to a conservation banking program or “in-lieu-fee” mitigation sponsor under subsection (a) may be made only for the purpose of facilitating one or more of the following activities:

(1) Military testing, operations, training, or other military activity.

(2) Military construction.

Payments made under subsection (a) to a conservation banking program or “in-lieu-fee” mitigation sponsor for the purpose of facilitating military construction may be treated as eligible costs of the military construction project.

Amounts available from any of the following shall be available for activities under this section:

(1) Operation and maintenance.

(2) Military construction.

(3) Research, development, test, and evaluation.

(4) The Support for United States Relocation to Guam Account established under section 2824 of the Military Construction Authorization Act for Fiscal Year 2009 (division B of Public Law 110–417; 122 Stat. 4730; 10 U.S.C. 2687 note).

In this section, the term “Secretary concerned” means—

(1) the Secretary of a military department; and

(2) the Secretary of Defense with respect to a Defense Agency.

(Added Pub. L. 110–417, [div. A], title III, § 311(a), Oct. 14, 2008, 122 Stat. 4408; amended Pub. L. 111–84, div. A, title III, § 311, Oct. 28, 2009, 123 Stat. 2247; Pub. L. 111–383, div. A, title X, § 1075(b)(45), Jan. 7, 2011, 124 Stat. 4371.)