Primary sources are materials which provide first-hand evidence of an event, a social movement, or daily life in a particular time and place. Common examples of primary sources are letters, diaries, photographs, and oral history interviews. Depending on your research context, primary sources might also include newspaper articles, data, laws, treaties, or other legal documents.
President Obama signed H.R. 3950 into law on March 23, 2010,
HealthCare.gov - Health and Human Services portal to health care law and implication for consumers.
Patient Protection and Affordable Care Act Text of the law.
Patient Protection and Affordable Care Act Links to summaries, related bills, and congressional actions.
Listen to the Bill for the vision-impaired or aurally oriented. Many pages are available for downloading
Supreme Court Decision on the Affordable Care Act Decided June 28, 2012
Supreme Court Hears Challenge to Affordable Care Act New York Times has some audiofiles of testimony with additional analysis.
State, U.S. District Courts, and U.S. Appeals Court decisions - this wikipedia site aims you to the decisions from district courts and U.S. Court of Appeals.