U.S. Constitution AnnotatedArticle 1 · Section 9 · Clause 6
Clause 6 Ports
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Commentary
Clause 6 Ports
No Preference shall be given by any Regulation of Commerce or Revenue to the Ports of one State over those of another: nor shall Vessels bound to, or from, one State, be obliged to enter, clear, or pay Duties in another.
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