Timelines
17
- July 2, 1909
- 16th Amendment to the United States Constitution passed by Congress.
- February 3, 1913
- 16th Amendment to the United States Constitution ratified.
- March 30, 1930
- May 1, 1971 (Effective Date)
- Controlled Substance Act – Passage by the 91st US Congress (Title II of the Comprehensive Drug Abuse Prevention and Control Act of 1970) and signed into law by President Richard Nixon.
- October 26, 1981
- Edmondson v. Commissioner. Decision by the United States Tax Court.
- November 3, 1981
- “Deduction of the Week” article in the Washington Post featuring the Edmondson v. Commissioner case.
- May 15, 2007
- Californians Helping to Alleviate Medical Problems, Inc. v. Commissioner of Internal Revenue. Decision by the United States Tax Court.