1. (a) If:

   1. (1) an application has been filed with a local health department for a permit for the installation of a residential onsite sewage system;
   2. (2) a professional soil scientist registered under IC 25-31.5-4 has conducted an onsite evaluation, including a description of the soil profile, and has determined that the proposed site of the residential onsite sewage system is suitable for the installation of the residential onsite sewage system; and

   3. (3) the design and specifications for the residential onsite sewage system proposed for installation at the site described in subdivision (2) have been approved by either:

      1. (A) the local health department; or

      2. (B) at the option and expense of the property owner:

         1. (i) a professional engineer registered under IC 25-31-1 ;
         2. (ii) a septic system installer or inspector registered with the county in which the residential onsite sewage system would be installed; and

         3. (iii) the designer of the system, if the system was designed by someone other than a person referred to in item (i) or (ii);

            the local health department shall issue a permit for the residential onsite sewage system not later than thirty (30) business days after receiving a complete application for the permit.

2. (b) Subject to IC 16-19-3-27.5 , IC 16-19-3-27.6 , and sections 5 and 6 of this chapter, this section does not affect the authority of a local health department to inspect an onsite sewage system before or after the system's installation.

As added by P.L.167-2022, SEC.13. Amended by P.L.232-2023, SEC.10.