All Topics 2023 Regular Session (68th Legislative Assembly) Sales Tax - see also Taxation Sales Tax - see also Taxation Session Laws Category Chapter Exemptions Child and Adult Diapers and Child Restraint Systems 547 Fertilizer Plant 549 Materials Used in Research and Development of Bioscience and Biotechnology 538 Materials Used in Research and Development of Bioscience and Biotechnology in Health Care Industry 538 Materials Used to Construct or Expand a Coal Processing Facility That Utilizes Coal as a Feedstock 540 Notification Requirements for Certain Sales Made to a Senior Citizen Organization 548 Renewable Feedstock Refinery 546