Notwithstanding any other provisions of this subdivision, registration is not required:
I. In the case of a pesticide shipped from one plant within this state to another plant within this state operated by the same person and used solely at such plant as a constituent part to make a pesticide which is registered under this subdivision or distributed under the provisions of an experimental use permit issued under this subdivision or by the United States Environmental Protection Agency.II. For nematodes and beneficial insects used as biological control agents, and which are also exempt from regulation by the United States Environmental Protection Agency under 40 CFR chapter 1, subpart B, section 152.20, provided that such nematodes and beneficial insects are under a permit issued by the United States Department of Agriculture pursuant to 7 CFR 330.1985, 72:1; 375:3. 1998, 97:1, eff. July 19, 1998.