- Section 143.005 - Sections 143.181 and 143.471 effective date
- Section 143.009 - Effective date
- IMPOSITION OF TAX (§§ 143.011 — 143.101)
- COMPUTATION OF RESIDENT INDIVIDUAL INCOME (§§ 143.111 — 143.177)
- COMPUTATION OF NONRESIDENT INDIVIDUAL INCOME (§§ 143.181 — 143.183)
- WITHHOLDING OF TAX (§§ 143.191 — 143.265)
- ACCOUNTING PERIODS AND METHODS OF ACCOUNTING (§§ 143.271 — 143.301)
- ESTATES, TRUSTS, AND BENEFICIARIES - GENERALLY (§§ 143.311 — 143.321)
- ESTATES, TRUSTS, AND BENEFICIARIES, RESIDENT (§§ 143.331 — 143.361)
- ESTATES, TRUSTS, AND BENEFICIARIES, NONRESIDENT (§§ 143.371 — 143.391)
- PARTNERS AND PARTNERSHIPS (§§ 143.401 — 143.425)
- CORPORATIONS (§§ 143.431 — 143.471)
- RETURNS, DECLARATIONS, AND PAYMENTS (§§ 143.481 — 143.601)
- DEFICIENCIES (§§ 143.611 — 143.732)
- ADDITIONS TO TAX AND PENALTIES (§§ 143.741 — 143.773)
- CREDITS AND REFUNDS (§§ 143.781 — 143.841)
- MISCELLANEOUS ENFORCEMENT PROVISIONS (§§ 143.851 — 143.903)
- CRIMINAL OFFENSES (§§ 143.911 — 143.951)
- POWERS OF DIRECTOR OF REVENUE (§§ 143.961 — 143.986)
- MISCELLANEOUS (§§ 143.991 — 143.999)
- REFUND DONATIONS (§§ 143.1000 — 143.1032)
- INCOME TAX DEDUCTIONS - JOB CREATION (§ 143.1100)
- INCOME TAX DEDUCTION - FIRST-TIME HOME BUYER (§ 143.1150)
- INCOME TAX DEDUCTION - LONG-TERM DIGNITY SAVINGS ACCOUNT (§ 143.1160)
- INCOME TAX DEDUCTION - FOSTER PARENTS (§ 143.1170)
- INCOME TAX DEDUCTIONS - TRANSPORTATION FACILITIES (§§ 143.2100 — 143.2115)