Cataloger's Reference Shelf
MARC 21 Format for Bibliographic Data
Cataloger's Reference Shelf
MARC 21 Format for Bibliographic Data
074 GPO Item Number (R) (Variable Data Field)
Field 074 contains an item number assigned by the U.S. Government Printing Office (GPO). The item number is used to manage the distribution of publications to libraries within GPO's Depository Library System. An item number may be assigned to a category of publications, a series, or an individual title. The GPO item number is an agency-assigned data element. Numbers are assigned from the List of Classes of United States Government Publications Available for Selection by Depository Libraries which is maintained by GPO.
The GPO item number is not the same as the unique number that identifies each entry in the Monthly Catalog of Government Publications, nor is it an order number.
The National level record requirement for this field is Optional.
Field 074 is repeatable.
Guidelines for applying content designators:
For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements, and designator repeatability, see table below:
Position |
Description |
NLR |
MLR |
Repeatability |
Field 074 |
GPO Item Number |
O |
O |
R |
Indicator: |
|
|
|
|
First |
Undefined; contains a blank |
M |
|
|
Second |
Undefined; contains a blank |
M |
|
|
|
|
|
|
|
Subfield code: |
|
|
|
|
$a |
M |
O |
NR |
|
$z |
A |
O |
R |
|
$8 |
O |
O |
R |
Related MARC field or document:
List of Classes of United States Government Publications Available for Selection by Depository Libraries
See also:
