; (3) may be used for wildfire suppression purposes only after the aircraft is modified to conform with the standards and requirements for firefighting aircraft set forth by the National Interagency Aviation Committee and the Interagency Airtanker Board; and (4) may only be disposed of by the State of California pursuant to the statutes and regulations governing disposal of aircraft provided to the State of California through the Federal Excess Personal Property Program. (c) Transfer of residual kits and parts held by Air Force The Secretary of the Air Force may transfer to the State of California, without reimbursement, any residual kits and parts held by the Secretary of the Air Force that were procured in anticipation of the transfer to the Secretary of the Air Force of the aircraft specified in subsection (a)(2). (d) Costs after transfer Any costs of operation, maintenance, sustainment, and disposal of aircraft, initial spares, and ground support equipment transferred to the Governor of the State of California under this section that are incurred after the date of transfer shall be borne by the Governor of the State of California. (e) Conforming amendments (1) Section 1098 of Fiscal Year 2014 NDAA Section 1098 of the National Defense Authorization Act for Fiscal Year 2014 ( Public Law 113–66 ; 127 Stat. 881), as amended by section 1083 of the John S. McCain National Defense Authorization Act for Fiscal Year 2019 ( Public Law 115–232 ; 132 Stat. 1989), is amended— (A) by striking subsection (a); (B) in subsection (b)(1), in the matter preceding subparagraph (A), by striking and subject to the certification requirement under subsection (f), ; (C) in subsection (c), by striking or the Governor of California each place it appears; (D) in subsection (e), in the matter preceding paragraph (1)— (i) by striking Promptly following the completion of the certification requirement under subsection (f) and notwithstanding and inserting Notwithstanding ; and (ii) by striking begin