Pesticide Registration Improvement Act of 2003

[AI summary unavailable — showing source text] Pesticide Registration Improvement Act of 2003 - Amends the Federal Insecticide, Fungicide, and Rodenticide Act to revise registration and maintenance fee requirements for pesticides. (Fees collected are used to help defray the administrative costs of pesticide regulation.) Modifies certain timing requirements as they concern the submission of product-specific data and other regulatory action. Increases and then decreases the maximum amount of maintenance fees payable by registrants, including small businesses, through FY 2008, with the highest levels of fees occurring during FY 2005 and 2006. Extends the Environmental Protection Agency's (EPA's) authority to collect maintenance, but not tolerance, fees through FY 2008. (Maintenance fees are assessed on already registered or reregistered pesticides; tolerance fees are assessed on pesticides used on food or animal feed which are subject to more stringent regulatory requirements.) Directs the Administrator of the EPA to assess and collect covered pesticide registration service fees for applications submitted from FY 2004 onward. (Registration fees would apply to new pesticide applications only.) Provides transitional requirements for…