Section 211.5585  Research and Development Operation

"Research and development operation" means, for purposes of 35 Ill. Adm. Code 218.187, 219.187, and 219.204(r), an operation:

whose purpose is for research and development of new processes and products;

that is conducted under the close supervision of technically trained personnel; and

that is not involved in the manufacture of final or intermediate products for commercial purposes, except in a de minimis manner.

(Source:  Amended at 45 Ill. Reg. 3509, effective March 4, 2021)