; and (2) during any five-year period exceed $150,000. (b) Waiver authority In the case of contracts under this chapter for projects of special environmental significance, as determined by the Secretary, the Secretary may waive the limitation otherwise applicable under subsection (a)(1). (c) Prevention of duplication The Secretary shall not approve a contract or provide payments to any individual for a practice that has already been paid for as part of a previously approved and completed contract for any particular parcel of land. . C Reforming the Conservation Stewardship Program 221. Definitions Section 1240I of the Food Security Act of 1985 ( 16 U.S.C. 3839aa–21 ) is amended— (1) in paragraph (2)(B), by striking clause (i) and inserting the following: (i) vegetative measures and land management measures, including integrated pest, nutrient, crop residue, crop rotation, and managed rotational grazing management measures, as determined by the Secretary; ; (2) in paragraph (3)— (A) in subparagraph (A), by inserting designated before priority ; and (B) in subparagraph (D), by striking new and existing conservation activities and inserting conservation activities needed to comprehensively address the designated priority resource concerns ; (3) in paragraph (5)— (A) in subparagraph (B) by striking and ; (B) in subparagraph (C) by striking the period at the end and adding ; and ; and (C) by adding at the end a new subparagraph (D): (D) otherwise threatens— (i) public health or quality of life through degradation of air or water quality; or (ii) natural resources, including soil, fish, and wildlife. ; (4) by redesignating paragraphs (6) and (7) as paragraphs (7) and (8), respectively; (5) by inserting after paragraph (5) the following: (6) Designated priority resource concern The term designated priority resource concern means 1 to 5 priority resource concerns identified by the Secretary that must be addressed by the program within a local watershed or specific natural resource boundary.