30 Tex. Admin. Code § 17.14
For the property listed in the Tier I Table located in this subsection that is used wholly for pollution control purposes, a Tier I application is required. A Tier I application must not include any property that is not listed in this subsection or that is used for pollution control purposes at a use percentage that is different than what is listed in the table. Unless otherwise designated with a partial use percentage on the Tier I Table, if a marketable product is recovered (not including materials that are disposed) from property listed in this subsection, a Tier III application is required.
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Source Note:The provisions of this §17.14 adopted to be effective February 7, 2008, 33 TexReg 932; amended to be effective December 13, 2010, 35 TexReg 10964; amended to be effective August 28, 2014, 39 TexReg 6483; amended to be effective January 7, 2021, 46 TexReg 176; amended to be effective February 17, 2026, 51 TexReg 904.