26. Publication Retention

Tangible depository publications supplied to depository libraries are Federal government property. Depository publications must be retained and kept accessible for at least the minimum retention period. Materials may only be disposed of through appropriate withdrawal mechanisms. These include:

  1. ‘Five-year rule’: a minimum retention period of five years from date of receipt, processing, or shipping list date(for selective libraries),
  2. Supersession (for all libraries),
  3. Tangible substitution for tangible publications (for all libraries), and
  4. Official online substitution for tangible publications (for selective libraries).