(a) Establishment

The Secretary shall construct and operate a Facility for Rare Isotope Beams. The Secretary shall commence construction no later than September 30, 2008.

(b) Authorization of appropriations

There are authorized to be appropriated to the Secretary such sums as may be necessary to carry out this section. The Secretary shall not spend more than $1,100,000,000 in Federal funds for all activities associated with the Facility for Rare Isotope Beams, prior to operation of the Accelerator.