However, section 330 of the Appropriations Act effectively prohibited issuance of any CAFE standard that differs from standards promulgated . . . prior to the enactment of this section.
Section 330 banned issuing CAFE standards that are different from other standards set by the IRS.
mnli hypothesis: Section 330 banned issuing CAFE standards that are different from other standards set by the IRS. premise: However, section 330 of the Appropriations Act effectively prohibited issuance of any CAFE standard that differs from standards promulgated . . . prior to the enactment of this section.