The Library's access systems (i.e., Millennium or various electronic collection systems) frequently track or log the actions performed by users of those systems. Such transaction level logging that can be tied to individuals may be kept intact for a limited period of time for trouble-shooting and problem resolution related to system functions and service transactions. During the period that this information is retained, it is held in confidence, and in accord with Library policies, is not shared with third parties. After such period of time as the information may be reasonably useful for problem resolution, this information may be aggregated for reporting on types of use and use of materials. Information regarding individual identities (or the source of the transaction) must be removed. The period of time needed for storing full transaction level logging should be determined on a case-by-case basis. Original transaction logging information that has been processed in this way must be destroyed, and care taken to ensure that backups or other inadvertently stored forms of the data are not retained.

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