1. In counties of the third and fourth classification, the county officer or the county officer’s designee of each county department shall, annually, on or before the tenth day of October, inspect and inventory all office equipment and machines, road machinery, farm supplies, equipment and produce on hand and all other personal property belonging to the county and used by such department of an individual original value of one thousand dollars or more of whatsoever kind or description. The county officer or the county officer’s designee of each county department shall have the discretion to inspect and inventory any office equipment or county property used by such department with an original value of less than one thousand dollars. Such inventory shall list such property by keeping a continuous annual inventory of each item identified by descriptive name, and on manufactured goods the manufacturer’s serial number, model, age and estimated market value, and after the first inventory taken pursuant to this section, there shall be attached to subsequent inventories a statement or explanation of any material changes over that of the previous year, showing in particular the disposition of any county property, the reason for its disposal, to whom disposed and the amount received therefor.

2. All remaining property not inventoried by a particular department of such county shall be inventoried by the county clerk of such county in the same manner as items are inventoried pursuant to subsection 1 of this section.

3. The reports required by this section shall be signed by the county clerk.