Home Information Sharing & Analysis Prevention & Protection Preparedness & Response Research Commerce & Trade Travel Security & Procedures Immigration
About the Department Open for Business Press Room
Current National Threat Level is elevated

The threat level in the airline sector is High or Orange. Read more.

Homeland Security 5 Year Anniversary 2003 - 2008, One Team, One Mission Securing the Homeland

Laws & Regulations

Notices & Comments

Significant Guidance

Department Significant Guidance documents

Homeland Security Presidential Directives

Directory of Homeland Security Presidential Directives (HSPDs)


Support Anti-terrorism by Fostering Effective Technologies Act of 2002 (SAFETY Act). Support Anti-terrorism by Fostering Effective Technologies Act of 2002 (SAFETY Act) provides critical incentives for the development and deployment of anti-terrorism technologies by providing liability protections for providers.

National Environmental Policy Act. The National Environmental Policy Act of 1969 (NEPA) is the Federal government's charter for protecting the nation's environment.

Procedures for Handling Protected Critical Infrastructure Information. The final rule amending Homeland Security regulations establishing uniform procedures to implement the Critical Infrastructure Information Act of 2002.


DHS Policy for Internal Information Exchange and Sharing. Memo from Secretary Chertoff regarding the sharing of potential terrorism, homeland security, law enforcement, and related information.


Fleet Alternative Fuel Vehicle (AFV) Program Reports. Homeland Security's reports on the progress in reducing petroleum consumption through improvements in fleet fuel efficiency and the use of alternative fuel vehicles (AFVs) and alternative fuels as required by the Energy Policy Act of 1992 (EPAct) and Executive Order 13149 “Greening the Government through Federal Fleet and Transportation Efficiency.

Initiating Authorities

This page was last reviewed/modified on August 21, 2008.