KRS 234.278

Producers, suppliers, and retail marketers of propane shall be permitted by referendum, subject to the provisions of KRS 234.270 to 234.302, to levy upon themselves an assessment on odorized propane and provide for the collection of the assessment for the purpose of financing or contributing toward the financing of a program of research, market development, and education to increase the consumption, use, sale, and markets for propane and toward the financing of programs to enhance consumer and employee education and safety.