Indiana Code Title 13. Environment § 13-15-3-5

Sec. 5. (a) Whenever a permit is required by any rule of the board under IC 13-15-1 for the construction, installation, operation, or modification of any facility, equipment, or device, the permit may be issued only after the department staff has:

(b) Notwithstanding subsection (a) and subject to subsection (c), a person to whom a permit has been issued may not start the construction, installation, operation, or modification of a facility, equipment, or a device until the person has obtained any approval required by any:

in which the facility, equipment, or device is located.

(c) Subsection (b) applies only to an approval required in an applicable ordinance, rule, or regulation in effect at the time the person submits the permit application to the issuing state agency.