(a) The Federal share of payments to a participant will be:

(1) Up to 75 percent of the estimated incurred cost or 100 percent of the estimated income foregone of an eligible practice, except as provided in (a)(2) of this section.

(2) In the case of historically underserved producers, the payment rate will be the applicable rate and an additional rate that is not less than 25 percent above the applicable rate, provided that this increase does not exceed 90 percent of the estimated incurred costs or estimated income foregone.

(3) In no instance will the total financial contributions for an eligible practice from other sources exceed 100 percent of the estimated incurred cost of the practice.

(b) Participants may contribute their portion of the estimated costs of practices through in-kind contributions, including labor and materials, providing the materials contributed meet the NRCS standard and specifications for the practice being installed.

(c) Payments for practices applied prior to application or contract approval—

(1) Payments will not be made to a participant for a conservation practice that was applied prior to application for the program.

(2) Payments will not be made to a participant for a conservation practice that was initiated or implemented prior to contract approval, unless the participant obtained a waiver from the State Conservationist, or designated conservationist, prior to practice implementation.

(d) The total amount of payments paid to a person or legal entity under this part may not exceed $50,000 for any fiscal year.

(e) For purposes of applying the payment limitations provided for in this section, NRCS will use the provisions in 7 CFR part 1400, Payment Limitation and Payment Eligibility.

(f) A participant will not be eligible for payments for conservation practices on eligible land if the participant receives payments or other benefits for the same practice on the same land under any other conservation program administered by USDA.

(g) The participant and NRCS must certify that a conservation practice is completed in accordance with the contract before NRCS will approve any payment.

(h) Subject to fund availability, the payment rates for conservation practices scheduled after the year of contract obligation may be adjusted to reflect increased costs.