Field definition and scope:

Field 674 contains number-building instructions to give segmentation information that cannot be expressed using a single number or number span.

Field 674 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, and designator repeatability, see table below:

Position

Description

Repeatability

Field 674

Segmentation Instruction

R

Indicator:

 

 

First

Undefined; contains a blank

 

Second

Undefined; contains a blank

 

 

 

 

Subfield code:

 

 

$a

Classification number - single number or beginning number of span

R

$c

Classification number - ending number of span

R

$i

Explanatory text

R

$y

Table sequence number for internal subarrangement or add table

R

$z

Table identification

R

$6

Linkage

NR

$8

Field link and sequence number

NR

Scheme-specific conventions:

Dewey Decimal Classification

See also:

6XX  Notes

Variable Data Fields