; (B) details the practices to be implemented under the contract and a schedule for establishment, evaluation, and monitoring of the applicable vegetative cover; (C) prescribes and schedules management to be conducted on the established cover throughout the term of the contract; (D) sets forth the commercial use, if any, to be permitted on the land during the term of the contract; and (E) may be modified, with the approval of the Secretary, when necessary to achieve the purposes of the program. (3) Conservation reserve program The term conservation reserve program means the conservation reserve program established under this subchapter. (4) Continuous enrollment option The term continuous enrollment option means the continuous enrollment option offered under section 1231(d)(1)(B). (5) Eligible land The term eligible land means land that is authorized to be included in the conservation reserve program under section 1231(b). (6) Eligible partner The term eligible partner means— (A) a State; (B) a political subdivision of a State; (C) an Indian Tribe