Cataloger's Reference Shelf
MARC 21 Specifications for Record Structure, Character Sets, and Exchange
Media
Diskette File Labels - Tags/Fields (Exchange Media, Part 2: Diskette Transfer)
The following order of the fields in the file label is mandatory whether or not all fields are present.
Tag |
Element Name |
Description |
Mandatory/Optional |
Repeatable |
Volume Number ID |
Numeric |
O |
NR |
|
File ID |
Alphanumeric |
M |
NR |
|
Description of Records |
Alphanumeric |
O |
R |
|
Records in Bibl. File |
Numeric |
M |
NR |
|
Invoice Number(s) Covering Records in File |
Alphanumeric |
O |
R |
|
Location(s) |
Alphanumeric |
O |
R |
|
Note(s) |
Alphanumeric |
O |
R |
VID (Volume ID): Optional; Not Repeatable. Numeric identifier of the volume. Three numeric characters, right justified and zero filled.
FID (File ID): Mandatory; Not Repeatable. Identifier that gives the name and/or number of the file containing the records. Alphanumeric.
DES (Description of Records): Optional; Repeatable. Indicates the application(s) for which the records are intended to be used (e.g., cataloging, union list, test records, MARC 21 Holdings, etc.) Alphanumeric.
RBF (Number of Records in Bibliographic File): Mandatory; Not Repeatable. The total number of records contained in the file. Seven numeric characters, right justified and zero filled.
INV (Invoice Number(s) Covering the Records in Bibliographic File): Optional; Repeatable. This includes all invoice numbers for all records in the bibliographic file. Alphanumeric.
LOC (Location(s)): Optional; Repeatable. This field lists the locations related to the records in the file. Multiple locations are separated by two blank spaces followed by a backslash ( \ - ASCII character 5C(hex)). MARC 21 or other codes can be used to designate locations. Alphanumeric.
NOT (Note(s)): Optional; Repeatable. This field is available for textual information, messages, etc. Alphanumeric.
Example of file label: File name "FIL.002" (Filename extension corresponds to the FID)
VID |
001# |
FID |
002# |
DES |
Union Catalog Records# |
RBF |
0000258# |
INV |
1211990CDS# |
LOC |
UMML# |
NOT |
Records are in LCCN order per your request# |
NOTE: In the above example, # = number sign (ASCII graphic 23(hex)).
To return, select: