By Barry Tickes, UA area agriculture agent

The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) was first passed by Congress in 1947. The law required all pesticides sold in the U.S. be registered by the Environmental Protection Act (EPA). The law focused on protecting consumers from ineffective products and did not regulate pesticide use.

FIFRA was rewritten in 1972 and mandates that the EPA regulate product use to protect human health and the environment. The EPA can also approve the use of unregistered pesticides to address emergencies or special local needs.

There are three basic types of registrations defined under sections of FIFRA:

Section 3 - Federal Registration

This registration is for product use on labeled sites throughout the U.S. Approved products have passed a complete EPA review and met all registration requirements. States can apply for certain restrictions within the state.

Section 24(c) - Special Local Need (SLN)

This registration allows states to register products already with federal registrations to use the product on additional sites or for other uses to address special local needs.

There are two types of SLN’s: first, the first party SLN where the applicant is the registrant of the product; and second, a third-party SLN where the applicant is someone other than the registrant, including a grower, PCA, university, and others.

Section 18 - Emergency Exemption

This registration allows states to approve the use of un-registered products for emergency pest conditions in a specific region for a limited time. Other options are normally not available. It is rare to obtain this type of registration for weeds present for many years.

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Contact Tickes: (928) 580-9902 or

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