Indiana Code Title 35. Criminal Law and Procedure § 35-47.5-5-1

(1) A person authorized to manufacture, possess, transport, distribute, or use a destructive device or detonator under the laws of the United States, as amended, or under Indiana law when the person is acting in accordance with the laws, regulations, and rules issued under federal or Indiana law.

(2) A person who is issued a permit for blasting or surface coal mining by the director of the department of natural resources under IC 14-34 when the person is acting under the laws and rules of Indiana and any ordinances and regulations of the political subdivision or authority of the state where blasting or mining operations are being performed.

(3) Fireworks (as defined in IC 22-11-14-1) and a person authorized by the laws of Indiana and of the United States to manufacture, possess, distribute, transport, store, exhibit, display, or use fireworks.

(4) A law enforcement agency, a fire service agency, the department of homeland security, or an emergency management agency of Indiana, an agency or an authority of a political subdivision of the state or the United States, and an employee or authorized agent of the United States while in performance of official duties.

(5) A law enforcement officer, a fire official, or an emergency management official of the United States or any other state if that person is attending training in Indiana.

(6) The armed forces of the United States or of Indiana.

(7) Research or educational programs conducted by or on behalf of a college, university, or secondary school that are:

and conducted in accordance with the laws of the United States and Indiana.

(8) The use of explosive materials in medicines and medicinal agents in forms prescribed by the most recent published edition of the official United States Pharmacopoeia or the National Formulary.

(9) Small arms ammunition and reloading components of small arms ammunition.

(10) Commercially manufactured black powder in quantities not to exceed fifty (50) pounds, percussion caps, safety and pyrotechnic fuses, quills, quick and slow matches, and friction primers intended to be used solely for sporting, recreational, or cultural purposes in antique firearms or antique devices.

(11) An explosive that is lawfully possessed for use in legitimate agricultural or business activities.