Field definition and scope:

Field 335 contains a categorization reflecting an intention to extend the content of a work.

Field 335 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 335

Extension Plan

 

R

Indicator:

 

 

 

First

Undefined; contains a blank

M

 

Second

Undefined; contains a blank

M

 

 

 

 

 

Subfield code:

 

 

 

$a

Extension plan term

 

NR

$b

Extension plan code

 

NR

$0

Authority record control number or standard number

 

R

$1

Real World Object URI

 

R

$2

Source

 

NR

$3

Materials specified

 

NR

$6

Linkage

A

NR

$8

Field link and sequence number

O

R

Content designator history:

Field 335 - Extension Plan  [new, 2020]

LC Guidelines:

 335  Extension Plan

See also:

1XX, 3XX  Headings

Variable Data Fields