There are authorized to be appropriated such sums as may be necessary to enable the Secretary to provide funds through reimburseable  agreements with the States to operate statistical programs which are essential for development of estimates of the gross national product and other national statistical series, including those related to employment and unemployment.
29 U.S. Code § 49l–1 - Authorization of appropriations
 So in original. Probably should be “reimbursable”.
Statutory Notes and Related Subsidiaries