Ind. Code § 5-26.5-5-3

Sec. 3. (a) Whenever a state or local agency creates a new public record, the agency shall accept the address designated by the office of the attorney general as a program participant's substitute address unless the office of the attorney general determines that the agency is required by statute or administrative rule to use an address that would otherwise be confidential under this article.

(b) A state or local agency that uses a confidential address under subsection (a) may use the confidential address only for the purpose set out in the statute or administrative rule identified under subsection (a).