LDR Leader (Holdings)
This field contains 24 character positions, chiefly system-generated, that define the parameters for processing the holdings record in the OPAC.
Bytes of interest:
(05) Record status n (New)
(06) Type of record x (Single-part item holdings)
(17) Encoding level 1 (Holdings level 1)
In Aleph, the data are entered in a form. The above are the only fields showing.
For the full specifications of this field, see the document “MARC 21 Format for Holdings Data.”