New York v. United States


Dormant Commerce Clause


Commerce Clause

  • The Congress shall have Power . . . To regulate Commerce with foreign Nations, and among the several States, and with the Indian Tribes.
  • Art. I, § 8, cl. 3


    Interpreting Congressional Silence


    Old Dormant Commerce Clause


    Dormant Commerce Clause Today

    To what extent does state regulation undermine the purposes of Congress’ Commerce Clause power?


    Dormant Commerce Clause Today


    Discriminatory Taxation


    Privileges and Immunities Clause of Article IV

  • The Citizens of each State shall be entitled to all Privileges and Immunities of Citizens in the several States.

    (Art. IV, § 2, cl. 1)


  • Privileges and Immunities Clause of Article IV


    Privileges and Immunities Clause of Article IV


    Combining the Doctrines


    State Taxation of Interstate Commerce