1. Overall homeland security policy. 2. Organization and administration of the Department of Homeland Security 3. Functions of the Department of Homeland Security relating to the following: A) Border and port security (except immigration policy and non-border enforcement). B) Customs (except customs revenue). C) Integration, analysis, and dissemination of homeland security information. D) Domestic preparedness for and collective response to terrorism. E) Research and development. F) Transportation security.