Any person who supplies or sells at retail a chemical and who knows or has reason to know that the chemical will be applied by chemigation shall sell chemicals only to licensed professional or private applicators with a chemigation category.
Idaho Code § 22-3406A
Responsibilities of chemical suppliers
Current official text: Idaho Statutes (Idaho Legislature). Digitized from the UniCourt Code Improvement Commission public-domain capture. Reproduced from public-domain Idaho statutes; confirm against the official source for the current text. Not legal advice.