Amend HB 3319 (Senate committee printing) on page 1, between lines 56 and 57, by adding the following appropriately numbered SECTION and renumbering the remaining SECTIONS accordingly: SECTION ____. Section 151.056, Tax Code, is amended by adding Subsection (g) to read as follows: (g) In this subsection, "ready mix concrete contractor" means a person who manufactures or produces ready mixed concrete for construction purposes and incorporates the ready mixed concrete in the property improved. A ready mix concrete contractor performing a contract must separate and individually invoice the customer for each yard of ready mixed concrete produced and consumed for the improvement of real property, and collect and remit the tax imposed under this chapter on the ready mixed concrete produced and consumed. The tax rate is applied to the price of the materials determined by the greater of the invoice price or fair market value of ready mixed concrete incorporated into the project. This subsection does not apply to an invoice submitted by a ready mix concrete contractor for a public works project.