Field definition and scope:

Field 506 contains information about restrictions imposed on access to the described materials.

For published works, this field contains information on limited distribution.  For continuing resources, the restrictions must apply to all issues.

Field 506 is repeatable.

Guidelines for applying content designators:, see table below:

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

Position

Description

Repeatability

Field 506

Restrictions on Access Note

R

Indicator:

 

 

First

Restriction

 

#

No information provided

 

0

No restrictions

 

1

Restrictions apply

 

 

 

 

Second

Undefined; contains a blank

 

 

 

 

Subfield code:

 

 

$a

Terms governing access

NR

$b

Jurisdiction

R

$c

Physical access provisions

R

$d

Authorized users

R

$e

Authorization

R

$f

Standardized terminology for access restriction

R

$u

Uniform Resource Identifier

R

$2

Source of term

NR

$3

Materials specified

NR

$5

Institution to which field applies

NR

$6

Linkage

NR

$8

Field link and sequence number

R

Input conventions:

Punctuation

Related MARC field or document:

Source Codes for Vocabularies, Rules, and Schemes:

Access Restriction Term Source Codes

See also:

3XX, 5XX, 84X  Note Fields

Variable Data Fields