Medicare Prescription Drug, Improvement, and Modernization Act
The Medicare Prescription Drug, Improvement, and Modernization Act, also called the Medicare Modernization Act or MMA, is a federal law of the United States, enacted in 2003. It produced the largest overhaul of Medicare in the public health program's 38-year history.
Source: Wikipedia — Medicare Prescription Drug, Improvement, and Modernization Act (CC BY-SA 4.0)