Title of Hearing, Congress session (Year) (statement of Witness Name, Title).
Homeland Security Act of 2002: Hearings on H.R. 5005, Day 3, Before the Select Comm. on Homeland Security, 107th Cong. 203 (2002) (statement of David Walker, Comptroller General of the United States).
Name of Act, Public Law No. (Year).
The Patient Protection and Affordable Care Act, Publ. L. No. 111-148, 124 Stat. 119 (2010).
Health Insurance Portability and Accountability Act. Pub. L. No. 104-191, § 264, 110 Stat.1936.
Name of Government Body. Division. Year. Publication Title. Document number. Place of Publication: Publisher. URL.
U.S. Department of the Interior. National Park Service. Northeast Region. 2004. Schoodic: Draft General Management Plan Amendment and Environmental Impact Statement. Maine. http://purl.fdlp.gov/GPO/gpo67000.
U.S. Government Accountability Office. 2019. Performance and Accountability Report: Fiscal Year 2019. GAO-20-1SP. Washington D.C. https://www.gao.gov/assets/710/702715.pdf.
U.S. Congress. House. Permanent Select Committee on Intelligence. 2011. Cyber Intelligence Sharing and Protection Act. 112th Cong., 2d sess., H. Rep.112-445. https://www.govinfo.gov/content/pkg/CHRG-111hhrg50208/html/CHRG-111hhrg50208.htm.
(U.S. Government Accountability Office 2019)
U.S. Department of State. Foreign Relations of the United States: Diplomatic Papers, 1943. Washington, DC: GPO, 1965. http://digital.library.wisc.edu/1711.dl/FRUS.FRUS1943v03.
You don't need to include the publisher name if the same as the organizational author.
Organization Name. Year. Title of Publication. by Author(s) First-name Last-name. Publication/Report Number. Place of Publication: Publisher. URL.
U.S. National Commission on Terrorist Attacks upon the United States. 2005. 9/11 Commission Report: The Official Report of the 9/11 Commission and Related Publications. by Thomas H. Kean and Lee Hamilton. Washington, D.C.: GPO. http://www.gpoaccess.gov/911/index.html
U.S. Department of the Interior. U.S. Geological Survey. 2013. Assessment of Coal Geology, Resources, and Reserves in the Montana Powder River Basin, by Jon E. Haacke, David C. Scott, Lee M. Osmonson, James A. Luppens, Paul E. Pierce, and Jay A. Gunderson. Open-file report 2012- 1113. Reston, Virginia. http://pubs.usgs.gov/of/2012/1113/OF12-1113.pdf.
(U.S. National Commission on Terrorist Attacks 2019)
Name v. Name, Volume # U.S. Page # (Year).
Tinker v. Des Moines Independent Community School Dist., 393 U.S. 503 (1969).
Volume # U.S. Page # is the official citation. See the image below for locating that number in Westlaw Campus. You can also find these on the right side of the Wikipedia article.
Legal publications use notes for documentation and therefore citations for most government or legal documents do not need to be included in bibliographies.