Indiana Code Title 36. Local Government § 36-7-11.3-56

Sec. 56. (a) A person may not construct on primary property a structure or feature or reconstruct, alter, or demolish primary property unless the following conditions have been met:

(b) After the filing of an application for a certificate of appropriateness, the commission shall determine whether the proposed construction, reconstruction, or alteration of the structure in question:

(c) In determining appropriateness, the commission shall consider, in addition to other factors that the commission considers pertinent, the historical and architectural style, general design, arrangement, size, texture, and materials of the proposed work and the relation of the proposed work to the architectural factor of other structures in the area.  The entity responsible for issuing building permits may not issue a permit for the construction, reconstruction, alteration, or demolition of a structure in the area unless the application for the permit is accompanied by a certificate of appropriateness.

(d) The issuance of or refusal to issue a permit is a final determination appealable under section 59 of this chapter.  With respect to a certificate of appropriateness, the commission may, by rule or regulation, provide for:

that the commission considers necessary.

(e) Notwithstanding this section, the commission may, by rule or regulation:

specific types and categories of construction, reconstruction, alterations, and demolition for which the commission determines commission action and review are not necessary or desirable to effect the purposes of this chapter.