There’s a movement afoot in Congress to advance legislation that would eviscerate the Commerce Clause of the Constitution, empower a state-based tax cartel, and potentially decimate the Internet economy in the process.  Business Week has the details:

In the next week, legislators are expected to introduce bills in the House and Senate promising to do away with the “physical presence” requirement. If a bill passes — and that’s a big “if” — it would require all online retailers, except for the tiniest companies, to collect sales taxes in the 23 states that are part of the Streamlined Sales Tax Project. The states would compensate the retailers for the trouble, while promising not to sue them for tax collection mistakes that are made.

The Streamlined Sales Tax Project, or “SSTP”, sounds good in theory but would be disastrous in practice.   Michael Graham of the Boston Herald penned an editorial about the SSTP today and he does a nice job pointing out why, when it comes to “tax simplification,” the devil is always in the details and those details are typically anything but “simple” (or taxpayer-friendly for that matter).

The real danger of the SSTP, however, is what it means for the Constitution and tax competition among the states.  In this 2003 paper I penned with Veronique de Rugy for the Cato Institute, we showed why the SSTP would not only fail to simplify the sales tax code, but would actually cede dangerous taxing powers to state and local governments over the interstate marketplace.  In the process, Veronique and I argued, a multi-state sales tax cartel would be spawned: Continue reading →

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