the 9(d) repayment contract, Westlands shall receive a credit against future operation and maintenance costs payable to the United States in the amount of the capital costs under the existing water service contracts and the 1965 Repayment Contract paid by Westlands between the date of the Westlands Agreement and the date of enactment of this Act. (b) Costs Costs incurred by the United States for purposes of re-evaluating, planning, or providing drainage service to Westlands shall be non-reimbursable as set forth in paragraphs (9)(C)(iv) of the Westlands Agreement. (c) Relief of capital repayment obligations (1) Upon the date of execution of the 9(d) repayment contracts referenced in section 6(a), and as set forth in the Westlands Agreement, Westlands shall be relieved of— (A) its capital repayment obligations under the June 5, 1963, water service contract between the United States and Westlands (contract number 14–06–200–495–A) providing for water service, or any renewals thereof, and any water service contracts assigned to Westlands, Westlands Distribution District No. 1, and Westlands Distribution District No. 2 existing as of the date of execution of the Westlands Agreement