... transaction level, Pub. L. No. 104 - 20 8, div. A, title VIII, § 803 , 1 10 Stat. 300 9, 300 9-3 90 (Sept. 30, 1996). 29 GAO, Standards for Internal Control in the Federal Government, GAO/AIMD -00 -21 .3.1 ... answering system: ( 800 ) 424 -5454 or ( 20 2) 5 12- 74 70 Katherine Siggerud, Managing Director, siggerudk@gao.gov, ( 20 2) 5 12- 4 400 , U.S. Government Accountability Office, 441 G Street NW, Room 7 125 , ... http://www.gao.gov/ordering.htm. Place orders by calling ( 20 2) 5 12- 600 0, toll free (866) 801 - 707 7, or TDD ( 20 2) 5 12- 2537. Orders may be paid for using American Express, Discover Card, MasterCard,...