030 - CODEN Designation (NR)
MARC 21 Holdings - Full
# - Undefined
# - Undefined
|$a - CODEN (NR)
$z - Canceled/invalid CODEN (R)
|$6 - Linkage (NR)
$8 - Field link and sequence number (R)
FIELD DEFINITION AND SCOPE
CODEN designation, a unique identifier for scientific and technical periodical titles,
copied from field 030 of the MARC bibliographic record that represents the description
of the item for which a separate holdings record is created.
May also contain any canceled or invalid CODEN from subfield $z of field 020
(International Standard Book Number) in the bibliographic record.
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
- Both indicator positions are undefined; each contains a blank (#).
■ SUBFIELD CODES
$z - Canceled/invalid CODEN
If the valid CODEN is not known, subfield $z may be used alone in the
$8 - Field link and sequence number
Structure - First four characters are mnemonic uppercase characters for serial titles to which a
fifth character (e.g., A, B, C, D) is added. The sixth character is a
computer-calculated check character which may be either alphabetic or numeric. All
alphabetic characters are in uppercase. Hyphens and spaces appearing in the CODEN
abbreviation are not carried in the MARC record.
Embedded Holdings Information - When holdings information is embedded in a MARC bibliographic record, no additional
field 030 is input.