Amend SB 407, at the end of SECTION 1 of the bill (Senate committee printing, page 2, between lines 30 and 31), by inserting the following: Sec. 326.152. CALCULATION OF MUNICIPAL OR COUNTY ROLLBACK TAX RATE. For a municipality or county in which the voters have approved the imposition of the sales and use tax under this chapter, for an ad valorem tax year that begins on or after the date the sales and use tax takes effect, in the formula for calculating the rollback tax rate of the municipality or county, the officer or employee designated by the governing body of the municipality or the commissioners court of the county to make the calculation shall substitute 1.05 for 1.08.