Ind. Code § 32-19.5-3-3
Coordinates based on the Indiana coordinate system of 1927 (as described in IC 32-19 ), the Indiana coordinate system of 1983 (as described in IC 32-19 ), the INPCS, or any other coordinate system published by an agency of the federal government or the state, including the Indiana Geospatial Coordinate System, purporting to define the position of a point on a land boundary map may not be presented to be recorded in any public land records or deed records unless the recording document contains the following:
(2) The name and zone of the coordinate system, including the following metadata:
As added by P.L.147-2026, SEC.18.