Section 324.60908 - Review and updating of land resource and current use portions of inventory(1) The land resource portion of the inventory shall be reviewed and updated when necessary, but not less than once every 10 years.(2) The current use portion of the inventory shall be reviewed and updated when necessary, but not less than once each 5 years.Add. 1995, Act 57, Imd. Eff. 5/24/1995 .