“This CDC Influenza Pandemic OPLAN is an INTERNAL document that provides guidance for CDC operations as directed by the Director, Centers for Disease Control and Prevention. This plan is made available to outside agencies for the sole purpose of providing an understanding of the internal processes within CDC. This document in no way prescribes guidance for any entity other than CDC agencies. This plan shall not be construed to alter any law, executive order, rule, regulation, treaty, or international agreement. Noncompliance with this plan shall not be interpreted to create a substantive or procedural basis to challenge agency action or inaction.”