Question

Most of the significant changes in the affordable care act went into effect on what date

Answer 1

The Affordable Care Act was officially signed by the president on March 10th 2010. However, this went into effect on the January 1st, 2014. 

Answer 2

Answer: January 1, 2014

Explanation: In March 2010, President Barack Obama signed the Patient Protection and Affordable Care Act into law. This is frequently referred to as the Affordable Care Act, or ACA. Most of the significant changes went into effect on January 1, 2014.