Chronic Wasting Disease Task Force Establishment Act of 2003 - Establishes the National Chronic Wasting Disease Task Force to: (1) coordinate activities to implement the National Plan (published jointly by the Departments of the Interior and Agriculture, and entitled "Plan for Assisting States, Federal Agencies, and Tribes in Managing Chronic Wasting Disease in Wild and Captive Cervids," dated June 26, 2002) in cooperation with State, regional, local, tribal, college, and university and non-governmental partners; (2) plan and host an annual national public conference to review progress made in implementing the Plan; and (3) develop an annual cross-cutting budget to specify sufficient levels of appropriations necessary to implement it.