An Act relating to the Combined Pesticide Law,amending 2 O.S. 2011, Sections 3-81 and 3-85, as amended by Sections 1 and 3, Chapter 280, O.S.L. 2014 (2 O.S. Supp. 2019, Sections 3-81 and 3-85), which relate to definitions, enforcement and rules and standards,modifying and adding definitions,authorizing the Oklahoma Department of Agriculture, Food, and Forestry to promulgate rules pertaining to heat as a method of pest control,restricting use of heat as a method of pest control to commercial applicators,authorizing use of heat as a method of pest control in certain structures,requiring certain actions and procedures before and during the use of heat treatments,providing for codification,and providing an effective date.