(a) You may treat your operation for pests only if the Structural Pest Control Board or Texas Department of Agriculture has certified you as a noncommercial applicator.(b) Otherwise, you must use a pest control operator licensed by the Texas Structural Pest Control Board or Texas Department of Agriculture to prevent, control, or eliminate pest infestations at your operation.(c) For therapeutic camp services, you must maintain a vector control program to ensure effective control of all insects and rodents in the buildings and on the premises of your permanent camp. If chemical control is needed, then you must comply with subsections (a) and (b) of this section.