Amend CSSB 8 in SECTION 1B.01 of the bill, in proposed Section 42.253, Education Code, by inserting the following: (b-1) Notwithstanding Subsection (b), but subject to the limitations imposed by Subsections (a) and (a-1), a school district without voter approval may impose an enrichment tax under this section in the amount necessary to fund increases in educational costs due to inflation that are not otherwise funded through other provisions of this chapter, provided that the total rate of the district's tax for the maintenance of the public schools has been approved by the voters, regardless of the date of the election. For purposes of this subsection: (1) the Legislative Budget Board shall adopt an annual educational costs inflation index using existing cost indices; and (2) the commissioner annually shall determine: (A) the degree to which increases in educational costs due to inflation are funded through other provisions of this chapter; and (B) the tax rate permissible under this subsection.