; (C) the Government of Australia has provided the appropriate funds and support for the additional capacity required to meet the requirements identified in this section; and (D) the Government Australia has the capability to host and fully operate the vessels authorized to be transferred. (2) Waiver of chief of naval operations certification The requirement for the Chief of Naval Operations to make a certification under section 8678 of title 10, United States Code, shall not apply to the transfer of a vessel authorized under subsection (a). (3) Required mutual defense agreement (A) In general The President may not provide for the transfer of a vessel authorized under subsection (a) unless the United States and Australia have entered into a mutual defense agreement that meets the requirements of subparagraph (B) and such agreement is in effect. (B) Requirements A mutual defense agreement meets the requirements described in this subparagraph if the agreement— (i) provides a clear legal framework for the sole purpose of Australia’s acquisition of conventionally armed, nuclear-powered submarines; and (ii) meets the highest nonproliferation standards for the exchange of nuclear materials, technology, equipment, and information between the United States and Australia. (4) Subsequent sales A transfer of vessel that is a Virginia class submarine on a sale basis other than a transfer described in subsection (a) may occur only if such transfer is explicitly authorized pursuant to a law enacted after the date of the enactment of this Act. (e) Crediting of receipts (1) In general Notwithstanding any provision of law pertaining to the crediting of amounts received from a sale under the terms of section 21 of the Arms Export Control Act ( 22 U.S.C. 2761 ), any receipt of the United States as a result of a transfer of a vessel authorized under subsection (a) shall— (A) be credited, at the discretion of the President to— (i) the appropriation, fund, or account used in incurring the original obligation