Ind. Code § 36-7-11.1-8
(e) The commission's determination of appropriateness is a prerequisite to any governmental order or action to alter or demolish any designated historic site or any structure in a historic area. No rezoning or variance applicable to a historic area, or any part of it, may be approved by the metropolitan development commission or granted by a board of zoning appeals, except on the commission's prior issuance of a certificate of appropriateness.
As added by Acts 1982, P.L.77, SEC.6.