Field definition and scope:

Field 080 the classification number associated with a 1XX heading in an established heading record.  The number is taken from the Universal Decimal Classification scheme.

The National level record requirement for this field is Optional.

Field 080 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, National level (NLR) record requirements, and designator repeatability, see table below:

Position

Description

NLR

Repeatability

Field 080

Universal Decimal Classification Number

O

R

Indicator:

 

 

 

First

Type of edition

M

 

#

No information provided

A

 

0

Full

A

 

1

Abridged

A

 

 

 

 

 

Second

Undefined; contains a blank

M

 

 

 

 

 

Subfield code:

 

 

 

$a

Universal Decimal Classification number

M

NR

$b

Item number

A

NR

$x

Common auxiliary subdivision

A

R

$0

Authority record control number or standard number

 

R

$2

Edition identifier

M

NR

$6

Linkage

A

NR

$8

Field link and sequence number

O

R

Content designator history:

Field 080 - Universal Decimal Classification Number  [new, 2009]

Subfield $0 - Authority record control number or standard number  [new, 2017]

LC Guidelines:

 080  Universal Decimal Classification Number

See also:

0XX  Numbers and Codes

Variable Data Fields