Versions of Texas Tax Code Chapter 171 > Subchapter C - Determination of Taxable Margin; Allocation and Apportionment on LawServer 2024 Texas Tax Code Chapter 171 > Subchapter C – Determination of Taxable Margin; Allocation and Apportionment 2023 Texas Tax Code Chapter 171 > Subchapter C – Determination of Taxable Margin; Allocation and Apportionment 2022 Texas Tax Code Chapter 171 > Subchapter C – Determination of Taxable Margin; Allocation and Apportionment 2019 Texas Tax Code Chapter 171 > Subchapter C – Determination of Taxable Margin; Allocation and Apportionment 2018 Texas Tax Code Chapter 171 > Subchapter C – Determination of Taxable Margin; Allocation and Apportionment 2016 Texas Tax Code Chapter 171 > Subchapter C – Determination of Taxable Margin; Allocation and Apportionment