This section is intended to provide the framework for accrediting food safety education or training programs for food handlers. 1. Food safety practices 2.Time and temperature control 3. The purpose of this section is to implement Texas Health and Safety Code, Chapter 437, related to cottage food production operations. "Generally, measuring an employee's body temperature is a medical examination," the EEOC stated. The Texas sales tax manufacturing exemption makes purchases that are necessary and essential to the manufacturing process nontaxable.