42 U.S.C. § 16321

(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.