defining the term “person” for the purposes of this section that shall conform, to the extent practicable, to the regulations defining the term “person” issued under section 1308 1 of title 7 (before the amendment made by section 1603(a) of the Food, Conservation, and Energy Act of 2008);

prescribing such rules as the Secretary determines necessary to ensure a fair and reasonable application of the limitations established under this subsection; and

ensuring that no person receives duplicative payments or assistance under this section, the Cooperative Forestry Assistance Act of 1978 (16 U.S.C. 2101 et seq.), and the environmental quality incentives program established under subchapter A of chapter 4 of subtitle D of title XII of the Food Security Act of 1985 [16 U.S.C. 3839aa et seq.], or other Federal program.

produces annual crops from trees for commercial purposes and owns 500 acres or less of such trees;

owns 1,000 acres or less of private forest land; or

owns more than 1,000 acres but less than 5,000 acres of private forest land if the Secretary, in the Secretary’s discretion, determines the person eligible;

if a majority of the person’s annual income is received from farming, ranching, and forestry operations, the gross revenue from the person’s farming, ranching, and forestry operations; and

if less than a majority of the person’s annual income is received from farming, ranching, and forestry operations, the person’s gross revenue from all sources;