001 Recorder Identifier

Field Definition

This field contains characters uniquely associated with the record, i.e. the control number for the record of the agency preparing the record.

In conformance with ISO 2709 this field does not have indicators.

In conformance with ISO 2709 this field does not contain subfields.

Occurrence

Notes on Field Contents

There are no restrictions on the form of the record identifier.

When the record identifier consists of or incorporates any form of an International Standard Number, other identifiable number such a national number, or other data such as country of publication, this information is nevertheless to be entered in the field specified for that data in addition to recording it as the record identifier in this field.

Fields or other related entities

001 Recorder Identifier

An agency may be using other separately identified numbers such as ISBN or National Bibliography Number as a Record Identifier. See Notes on Field Contents above for treatment in these cases.

Examples

Ex. 1:

001 2002-00000000011

A number in the Joint Catalogue file of the South African State Library.

Ex. 2:

001 B7512345

The record number of a record from the British National Bibliography is the National Bibliography Number B7512345. In addition, the number is entered in field 020, NATIONAL BIBLIOGRAPHY NUMBER.

Ex. 3:

001 02512645

The record number used for a record in a serials file is the ISSN without its hyphen. In addition, the ISSN with hyphen is entered in field 011, ISSN.

Ex. 4:

001 83.041470.3

The record number allocated to a Deutsche Bibliothek record. This is not identical with the national bibliography number.

Ex. 5:

001 ###73002284#//r752

The control number of a record issued by the Library of Congress. The basic control number has a fixed length of 12 characters which in this instance requires blank fill. This number also includes revision information in a suffix.