Indiana Code Title 6. Taxation § 6-1.1-6.7-13

Sec. 13. At least once every two (2) years the county surveyor or a representative of the soil and water conservation district in which the land is located shall inspect each parcel of land that is classified as a filter strip.  On each inspection trip, if possible, the inspector shall inspect the parcel with the owner and shall point out to the owner any needed improvement.  In addition, the inspector shall give the owner a written report of the inspection and the inspector's recommendations.  A permanent record of each inspection shall be maintained in the office of the county surveyor.