; (ii) by redesignating clause (ii) as clause (iii); (iii) by inserting after clause (i) the following: (ii) monitoring for and identifying significant variability in practice costs in each year; and ; and (iv) in clause (iii), as so redesignated, by inserting and, when appropriate, adopting any recommendations made by such State technical committee after that State . (3) Effect on existing contracts Section 1244(j) of the Food Security Act of 1985 ( 16 U.S.C. 3844(j) ) is amended by adding at the end the following: (3) Effect on existing contracts In order to provide rates of payments that are commensurate with the costs of implementing practices pursuant to programs under this title, the Secretary shall establish processes and procedures for updating rates of payments under a contract or agreement in effect under this title to reflect the appropriate practice costs and rates of payments determined under paragraph (2)(B) for the year in which the practice is implemented. . (d) Source water protection through targeting of agricultural practices Section 1244(n) of the Food Security Act of 1985 ( 16 U.S.C. 3844(n) ) is amended— (1) in paragraph (2)— (A) in subparagraph (A)— (i) by redesignating clause (ii) as clause (iii); (ii) in clause (i), by striking the and at the end; and (iii) by inserting after clause (i) the following: (ii) identify in each State a source water protection coordinator who shall be responsible for coordinating such collaboration with community water systems under this subsection; and ; and (B) in subparagraph (B), by striking under subparagraph (A)(ii) and inserting under subparagraph (A)(iii) ; (2) in paragraph (3), strike 2031 and insert 2029