Indiana Code Title 1. General Provisions § 1-1-2.5-2

(1) The Tenth Amendment to the Constitution of the United States provides that the only powers that the federal government may exercise are those that have been delegated to the federal government in the Constitution of the United States.

(2) The Ninth Amendment to the Constitution of the United States guarantees to the people rights not enumerated in the Constitution and reserves to the people of Indiana those rights.

(3) Under Article I, Section 8, Clause 3 of the Constitution of the United States, the federal government is empowered to regulate commerce among the several states.

(4) The power to regulate intrastate commerce is reserved to the states or the people under the Ninth and Tenth Amendments to the Constitution of the United States.

(5) During the Constitutional Convention, the founders considered a plan that would have authorized the federal government not only to regulate commerce among the several states, but also to regulate any activity having spillover effects across state lines.  The founders rejected this latter idea.

(6) All:

when the goods or services are sold, maintained, and retained in Indiana are not subject to the authority of the Congress of the United States under the constitutional power of Congress to regulate commerce among the several states.