As published by the Government Publishing Office (current through Dec. 16, 2016):
Govinfo.gov
As published by the House of Representatives Office of the Law Revision Counsel (current through October 5, 2018):
USCode.house.gov
As published by the Government Publishing Office (current through Dec. 16, 2016):
Govinfo.gov
As published by the House of Representatives Office of the Law Revision Counsel (current through October 5, 2018):
USCode.house.gov