War Powers Protection Act of 2013 - Prohibits the obligation or expenditure of funds made available to the Central Intelligence Agency (CIA), the Department of Defense (DOD), or any other U.S. agency or entity involved in intelligence activities for the purpose of, or in a manner which would have the effect of, supporting military or paramilitary operations in Syria, except after a formal declaration of war.
Directs the Secretary of State to report every 90 days on assistance provided to groups, organizations, movements, and individuals in Syria.