680 Scope Note (R) (Variable Data Field)
Field definition and scope: This field contains information about a classification number or span in field 153 (Classification Number) that describes the scope of the number(s) in the classification scheme identified in field 084 (Classification Schedule and Edition) . Field 680 is used for information such as an explanation and examples of the kinds of topics classed in the number or contrasting information regarding the scope and usage of other similar classification numbers. A separate 680 field is used when different types of notes are used or different characteristics apply.
The information in this field is intended for display to public catalog users in addition to guiding classifiers.
Field 680 is repeatable .
Guidelines for applying Content Designators:
Indicators
0 Not applicable or no hierarchical force
Second Undefined; contains a blank (#)
Subfield Codes
$a Classification number - Single number or beginning number of span (R)
$c Classification number - Ending number of span (R)
$y Table identification - Schedule (R)
$z Table identification - Table number (R)
$5 Institution to which field applies (R)
$8 Link and sequence number (NR)
Conventions: Dewey Decimal Classification (Scheme-Specific)
Related USMARC fields or documents:
084 Classification Schedule and Edition
763 Internal Subarrangement or Add Table Entry
USMARC Code List for Organizations
See also:
