 | Superseded
Materials: |
| - Libraries
may discard documents on the Superseded List upon receipt of new editions or revisions
- Some
libraries choose to retain superseded editions for historical research
|
 | Secondary
copies |
| - Only the first
copy of a publication is the depository copy
- Secondary copies do
not have to be retained for five years
- Offer secondary copies
via discard lists or on GovDoc-L
|
 | Inactive
and Discontinued Items |
| | |