Indiana Code Title 6. Taxation § 6-8.1-3-7

Sec. 7. (a) The department may enter into reciprocal agreements with the taxing officials of the United States government or with the taxing officials of other state governments to furnish and receive information relevant to the administration and enforcement of the listed taxes. However, the department may not furnish information obtained from federal returns or schedules to officials of other state governments.

(b) All agencies of the state of Indiana shall cooperate with the department in the administration of the listed taxes and shall, upon request and at no charge to the department, furnish to the department any information relevant to the administration and collection of the listed taxes that the department requests. In addition, a state agency that encounters the use of a fraudulent identity shall notify the department and provide in electronic format identifying information as specified by the department for the department's use in preventing tax fraud. If a state agency encounters the use of fraudulent identities on a regular basis, the state agency shall provide to the department a monthly electronic report furnishing the identifying information specified by the department.

(c) Before December 1 each year: