Field definition and scope:

Field 307 contains chronological information identifying the days and/or times an item is available or accessible.  It is used primarily in records for electronic resources.

When displayed or printed as a note, hours, etc. information is in some instances preceded by an introductory term or phrase that is generated based on the first indicator value.

The National level record requirement for this field is Optional.

Field 307 is 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 307

Hours, Etc.

O

O

R

Indicator:

 

 

 

 

First

Display constant controller

M

 

 

#

Hours

A

 

 

8

No display constant generated

A

 

 

 

 

 

 

 

Second

Undefined; contains a blank

M

 

 

 

 

 

 

 

Subfield code:

 

 

 

 

$a

Hours

M

O

NR

$b

Additional information

O

O

NR

$6

Linkage

A

O

NR

$8

Field link and sequence number

O

O

R

Input conventions:

Punctuation

Abbreviations

Display constant

Related MARC field or document:

880  Alternate Graphic Representation

See also:

3XX  Physical Description, Etc. Fields

Variable Data Fields