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n. ~ The process by which an archives, museum, or library permanently removes accessioned materials from its holdings.


Materials may be deaccessioned because the repository has changed its collections policy and the material is no longer within its scope. Materials may be deaccessioned because they have been reappraised and found to be no longer suitable for continuing preservation. Materials that are badly decomposed and beyond repair may be deaccessioned. Deaccessioned material may be offered back to its donor, offered to another institution, or destroyed. Also called permanent withdrawal.

() Deaccessioning would ideally be a regular feature of collections management, a routine procedure that allows institutions to deal with out-of-scope materials that have been determined to be unworthy of continued retention through reappraisal.