Chapter 18 - State Tax Procedure Generally
- Subchapter 1 - General Provisions
 - Subchapter 2 - Penalties and Offenses
 - Subchapter 3 - Administration Generally
 - Subchapter 4 - Assessments
 - Subchapter 5 - Liability and Payment
 - Subchapter 6 - Licenses, Permits, and Registrations
 - Subchapter 7 - Enforcement
 - Subchapter 8 - Taxpayer Bill of Rights
 - Subchapter 9 - Taxpayer Assistance
 - Subchapter 10 - Business Closure