(a) As the public interest may require, the commissioner shall classify or reclassify all public school land and shall include a designation of the land, including a classification as agricultural, grazing, timber, or a combination of these classifications based on the facts in the particular case.
(b) After the classification is entered on the records of the land office, no further action needs to be taken by the commissioner and no notice is required to be given to the county clerk for the classification to be effective.