This subsection shall not be subject to section
1301 or
1341 of title
31 or section
11 of title
41 or to section
9662 of this title. For purposes of section
9611 of this title, amounts expended pursuant to this subsection for indemnification of any response action contractor (except with respect to federally owned or operated facilities) shall be considered governmental response costs incurred pursuant to section
9604 of this title. If sufficient funds are unavailable in the Hazardous Substance Superfund established under subchapter
A of chapter
98 of title
26 to make payments pursuant to such indemnification or if the Fund is repealed, there are authorized to be appropriated such amounts as may be necessary to make such payments.