Field definition and scope:

Field 018 contains the unique identification code for component parts appearing in monographs and serials.  It is recorded in the record for the component part, not in the record for the host item.

The National level record requirement for this field is Mandatory if applicable.

Field 018 is NOT 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 018

Copyright Article-Fee Code

A

O

NR

Indicator:

 

 

 

 

First

Undefined; contains a blank

M

 

 

Second

Undefined; contains a blank

M

 

 

 

 

 

 

 

Subfield code:

 

 

 

 

$a

Copyright article-fee code

M

O

NR

$6

Linkage

A

O

NR

$8

Field link and sequence number

O

O

R

Input conventions:

Structure

Punctuation

See also:

0XX  Numbers and Codes

Variable Data Fields