Annotation:
Duties, which are taxes on imports goods, were banned in Article One for all commercial activities between the states.
Citation
and Text from the Constitution:
Article 1, Section 9, Clause 6
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.
