14 U.S.C. § 944: Confidential investigative expenses

Not more than $250,000 each fiscal year appropriated for the operations and support of the Coast Guard shall be available for investigative expenses of a confidential character, to be expended on the approval or authority of the Commandant and payment to be made on the Commandant’s certificate of necessity for confidential purposes, and the Commandant’s determination shall be final and conclusive upon the accounting officers of the Government.