Cataloger's Reference Shelf
MARC 21 Specifications for Record Structure, Character Sets, and Exchange
Media
Diskette Volume Labels - Tags/Fields (Exchange Media, Part 2: Diskette Transfer)
The following order of the fields in the volume label is mandatory whether or not all fields are present.
Tag |
Element Name |
Description |
Mandatory/Optional |
Repeatable |
Originating System ID |
Alphanumeric |
M |
NR |
|
Receiving System ID |
Alphanumeric |
O |
R |
|
Date Volume(s) Compiled |
YYYYMMDD |
M |
NR |
|
Description of Records |
Alphanumeric |
O |
R |
|
Transaction ID |
Alphanumeric |
O |
NR |
|
Volume ID |
Numeric |
M |
NR |
|
No. of Vols. in Transaction |
Numeric |
M* |
NR |
|
Bibl. Files in Volume |
Numeric |
M |
NR |
|
Bibl. Files in Transaction |
Numeric |
O |
NR |
|
Purchase Order Number(s) |
Alphanumeric |
O |
R |
|
Invoice No(s). in Transaction |
Alphanumeric |
O |
R |
|
Transaction Bill-To ID |
Alphanumeric |
O |
NR |
|
Location(s) |
Alphanumeric |
O |
R |
|
Note(s) |
Alphanumeric |
O |
R |
*Field VTR is only mandatory on the final volume of a transaction.
ORS (Originating System ID): Mandatory; Not Repeatable. The name of the system that compiled the files of records and produced the volume(s) in the transaction. Alphanumeric.
RCS (Receiving System ID): Optional; Repeatable. Number(s) and/or name(s) of the receiving system(s) (e.g., library, processing center, school, collection, agency, or office) of the records in this transaction. The number/name can be assigned by the system listed in the field ORS, chosen by the system listed in this field, or a designated standard number, i.e. SAN. Multiple names are separated by two blank spaces followed by a backslash ( \ - ASCII character 5C(hex)). Alphanumeric.
DAT (Date Volume(s) Compiled): Mandatory; Not Repeatable. This is the date the originating system completed the compilation of bibliographic records on the volume(s) in this transaction. This is not the date of the creation of the particular bibliographic records contained in the bibliographic files. This field is recorded according to Representation of Dates and Times (ISO 8601). The date requires 8 numeric characters in the pattern yyyymmdd (4 for the year, 2 for the month, and 2 for the day; right justified and zero filled).
DES (Description of Records): Optional; Repeatable. A description of the records contained on the volume or the application(s) for which the records are intended to be used (e.g., test records, cataloging, union list, MARC 21 Holdings, etc.) Alphanumeric.
TRN (Transaction ID): Optional; Not Repeatable. Identifier that identifies a volume or set of volumes transferred in one operation. Alphanumeric.
VID (Volume ID): Mandatory; Not Repeatable. Numeric identifier of the volume. Three numeric characters, right justified and zero filled.
VTR (Number of Volumes in Transaction): Mandatory on final volume of transaction only; Optional on other volumes. Not Repeatable. The total number of volumes in this transaction. Three numeric characters, right justified and zero filled.
BFV (Bibliographic Files on Volume): Mandatory; Not Repeatable. The total number of bibliographic files in the volume. Three numeric characters, right justified and zero filled.
BFT (Bibliographic Files in Transaction): Optional; Not Repeatable. The total number of bibliographic files on all the diskettes in this transaction. Three numeric characters, right justified and zero filled.
PON (Purchase Order Number(s)): Optional; Repeatable. The purchase order number(s) covered by the transaction. Alphanumeric.
INV (Invoice Number(s) in Transaction): Optional; Repeatable. This includes all invoice numbers for all files in this transaction. Alphanumeric.
CSN (Transaction Bill-To ID): Optional; Not Repeatable. Number and/or name of the agency/institution which is billed for the transaction. The number/name can be assigned by the system listed in the field ORS, chosen by the system listed in this field, or a designated standard number, i.e. SAN. Alphanumeric.
LOC (Location(s)): Optional; Repeatable. This field lists the locations related to the records in the bibliographic files of the transaction. Multiple locations are separated by two blank spaces followed by a backslash ( \ - ASCII character 5C(hex)). MARC Organizations 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 volume label: File name "VOL.001" (Filename extension corresponds to the VID)
ORS |
Library X System Identification# |
RCS |
University of Michigan Library Processing Center# |
DAT |
19900322# |
DES |
Cataloging# |
TRN |
03201990NAR# |
VID |
001# |
VTR |
022# |
BFV |
002# |
BFT |
893# |
PON |
12311989UML# |
INV |
1211990CDS# |
CSN |
University of Michigan Financial Office# |
LOC |
Law Library \Medical Library \Engineering Library# |
NOT |
Contact B. Smith, (202) 707-1111, if you have questions.# |
NOTE: In the above example, # = number sign (ASCII graphic 23(hex)).
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