Iowa Admin. Code r. 223-13.5
13.5(1) General policy. The following general policies apply to all areas of the collections. More specific policies for the state archives are noted in subrule 13.5(2).
e. Materials left anonymously in the custody of the society shall be evaluated for possible accession into the collections.
If the materials are to be accessioned into the collections, the materials shall be documented by the appropriate authorized agent of the society. The documentation shall describe the circumstances pertaining to the acquisition.
If the materials are not to be accessioned into the collections, disposition of the materials shall be determined by the collections committee upon the recommendation of the appropriate bureau.