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If you have general questions or comments please send an email to generalInquiries@selectagents.gov

If you have technical or logistical questions please send an email to techsupport@selectagents.gov

If you have lead agency specific questions please send an email to:

What is a lead agency? Which one do I use?

In order to minimize the burden to the public that register for select agents and toxins, CDC and APHIS are working together to provide a single point of contact. This single point of contact is referred to as the lead agency, and as such, is responsible for coordinating all activities and communications with respect to your registration, including coordination with both the non-lead agency and with FBI / CJIS. The lead agency will retain responsibility for your application through the life of your registration certificate (2-3 years), even if your entity chooses to discontinue registration of overlap agents.

In most cases, your lead agency will be determined by the agents you possess. If you only have HHS select agents then your lead agency is CDC. If you only have USDA select agents then your lead agency is APHIS. If you possess a combination of HHS and USDA select agents / toxins or overlap agents, you may use either agency as your lead agency.

A listing of all select agents and toxins in the select agent regulation are available on this page.