The debate over the imposition of sales tax collection obligations on interstate vendors is heating up again at the federal level with the introduction of S. 1452, “The Main Street Fairness Act.” [pdf] The measure would give congressional blessing to a multistate compact that would let states impose sales taxes on interstate commerce, something usually blocked by the Commerce Clause of the U.S. Constitution. Senator Dick Durbin (D-IL) introduced the bill in the Senate along with Tim Johnson (D-SD) and Jack Reed (D-RI). The measure is being sponsored in the House of Representatives by John Conyers (D-MI) and Peter Welch (D-VT). At this time, there are no Republican co-sponsors even though Sen. Mike Enzi was rumored to be a considered co-sponsoring the measure before introduction.
Without any Republicans on board the effort, the measure may not advance very far in Congress. Nonetheless, to the extent the measure gets any traction, it is worth itemizing a few of the problems with this approach. My Mercatus Center colleague Veronique de Rugy and I have done some work on this issue together in the past and we are planning a short new paper on the topic. It will build on this lengthy Cato Institute paper we authored together in 2003, “The Internet Tax Solution: Tax Competition, Not Tax Collusion.” The key principle we set forth was this: “Congress must.. take an affirmative stand against efforts by state and local governments to create a collusive multistate tax compact to tax interstate sales.” “It would be wrong,” we argued, “for members of Congress to abdicate their responsibility to safeguard the national marketplace by giving the states carte blanche to tax interstate commercial activities through a tax compact. The guiding ethic of this debate must remain tax competition, not tax collusion.” Continue reading →
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