If the Administrator revises or amends any requirement of a regulation under section
300h of this title relating to any aspect of the underground injection referred to in subsection (a) of this section, in the case of that portion of a State underground injection control program for which the demonstration referred to in subsection (a) of this section has been made, in lieu of the showing required under section
300h–1
(b)(1)(B) of this title the State may demonstrate that, with respect to that aspect of such underground injection, the State program meets the requirements of subparagraphs (A) through (D) of section
300h
(b)(1) of this title and represents an effective program (including adequate recordkeeping and reporting) to prevent underground injection which endangers drinking water sources.