Pub. L. 86-84, tit. II, under "Fees and Expenses of Witnesses"
Fees and Expenses of Witnesses
Fees and Expenses of Witnesses For expenses, mileage, and per diems of witnesses and for per diems in lieu of subsistence, as authorized by law, and not to exceed $275,000 for such compensation and expenses of witnesses (including expert witnesses) or informants pursuant to section 1 of the Act of July 28, 1950 (5 U.S.C. 341) and sections 4244–48 of title 18, United States Code; $1,650,000: Provided, That no part of the sum herein appropriated shall be used to pay any witness more than one attendance fee for any one calendar day.