Presidential Succession Act of 2005 - Modifies the presidential succession list to include, following the Secretary of Veterans Affairs, the Secretary of Homeland Security, the Ambassador to the United Nations, the Ambassador to Great Britain, the Ambassador to Russia, the Ambassador to China, and the Ambassador to France.
Revises the provision specifying how long an acting President shall serve to provide that an acting President shall continue to serve as such until the expiration of the then current Presidential term or until the disability of the President or Vice-President is removed.