The Uniformity Clause – Another ObamaCare Challenge?

Jonathan Adler at the Volokh Conspiracy: In NFIB v. Sebelius the Supreme Court upheld the individual mandate penalty as a constitutional exercise of the federal taxing power. Although little of the briefing (and even less of the oral argument) considered the question, the Court concluded the penalty did not constitute a “direct tax.” This conclusion was necessary to sustain the penalty as a tax because direct taxes must be apportioned among the states by population. But if the penalty is not a direct tax, that does not mean it is free from constitutional defect. As David Rivkin and Lee Casey write in today’s WSJ, the Uniformity Clause of Article I, Section 8 could provide the basis for another attack on the penalty. They write: