What are the four classes of pesticide products during the registration process as defined by the Pest Control Act?

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The four classes define who may buy and use a pesticide product, and under what conditions, based on how risky and how it will be used. Domestic products are intended for household or consumer use, sold broadly, and labeled for basic safety with no special professional certification required. Commercial products are for professional use by licensed applicators, so the labeling and handling assume a higher level of expertise. Restricted products carry tighter controls because they pose greater risks; access and use are limited to individuals with specific certifications and often stricter storage, handling, and application requirements. Manufacturing products are tied to uses within manufacturing settings or for the production of other substances, typically not sold for general consumer or standard professional use and subject to separate regulatory controls.

These four categories help ensure that training, licensing, labeling, and handling requirements fit the level of risk and the context in which the product is used. The other option sets include terms that aren’t official classifications in this registration framework, so they don’t align with how the Pest Control Act organizes product classes.