(a) Establishment The Secretary shall construct and operate a Rare Isotope Accelerator. The Secretary shall commence construction no later than .
(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 Rare Isotope Accelerator, prior to operation of the Accelerator.