Ind. Code § 8-1-46.1-8
As used in this chapter, "properly sized" refers to the sizing and configuration of a grease trap or grease interceptor in accordance with:
(3) manufacturer specifications;
sufficient to prevent fats, oils, and grease from entering a sewer system or a nonresidential onsite sewage system in quantities that cause blockages, interference, or maintenance problems.
As added by P.L.95-2026, SEC.1.