As used in this part, unless the context otherwise requires:
(1) “Historically significant” means any structure more than fifty (50) years old; and
(2) “Preservation restriction” means a right, whether or not stated in the form of a restriction, easement, covenant or condition, in any deed, will or other instrument executed by or on behalf of the owner of the land or in any order of taking, appropriate to preservation of either a structure or a structure and the land upon which such structure is located, historically significant for its architecture or archaeology, to prohibit or limit any or all of the following:
(A) Alterations in exterior or interior features of the structure;
(B) Changes in appearance or condition of the land upon which such structure is located;
(C) Uses not historically appropriate; or
(D) Other acts or uses detrimental to appropriate preservation of the structure, or land upon which such structure is located.
