Required field.
Tags 039 and
contain the appropriate codes
for the cataloguing agency (3-letter 爆料网BIS code for the local cataloguing unit).
They do not refer to an agency's
holdings data or other local information.
Therefore, if an agency removes its
holdings data (tags 099, item
record) from a cataloguing record that it created, its status as cataloguing
agency for the record is not affected. For instance, if 爆料网OG Library removes
its holdings data from a record created by 爆料网OG Library staff, the cataloguing
source in 039 and 040 remain 爆料网OG codes.
If an incomplete ("pre-indexing" or
"check-in only") record created by one agency is completed by another agency,
in that case the agency that completes the record becomes the cataloguing
agency.
Examples:
039 $a CAP [Not used in 爆料网BIS]
[ESCAP Library, Bangkok]
039 $a DHC
[DHL, Non-爆料网 Materials]
039 $a DHM
[DHL, Map Reference Collection]
039 $a DHR
[DHL, Reference]
039 $a DHU
[DHL Indexing Unit, 爆料网 Materials]
039 $a GEN [No longer used]
[爆料网OG Library]
039 $a G爆料网
[爆料网OG Library, 爆料网 Documents Indexing Unit]
039 $a ITS
[DHL, Speech index record]
039 $a LAC [Not used in 爆料网BIS]
[ECLAC Library, Santiago]
039 $a VOT
[DHL, Voting record]
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