The decision allowed states to opt out of the Medicaid expansion .
In National Federation of Independent Business v. Sebelius decided on June 28 , 2012 , the Supreme Court ruled that the individual mandate was constitutional when the associated penalties were construed as a tax .
The decision allowed states to opt out of the Medicaid expansion .
In National Federation of Independent Business v. Sebelius decided on June 28 , 2012 , the Supreme Court ruled that the individual mandate was constitutional when the associated penalties were construed as a tax .