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This list identifies data elements from Update no. 3 (October 2002) to the MARC 21 Formats for Bibliographic and Authority data that will become valid in LC's system no earlier than mid-May 2003 (unless otherwise specified below) and other information related to MARC 21 data elements of interest to subscribers.

1. NEW BIBLIOGRAPHIC RECORD ELEMENTS

This list is provided to assist in evaluating the impact on automated systems as these elements could be present in records issued by the Library of Congress; they do not necessarily reflect values that will be actively supplied by LC cataloging staff. These elements are fully documented in the MARC 21 Format for Bibliographic Data (http://www.loc.gov/marc/bibliographic).

BOOK 006/07-10 and BOOK 008/24-27 Nature of Contents

new value: u (Standards/specifications)

MUSIC 006/4 and MUSIC 008/21 Music parts (previously undefined)

Define new position: LC records will contain only blank or the fill character

MUSIC 006/16 and MUSIC 008/33 Transposition and arrangement (previously undefined)

Define new position: LC records will contain only blank or the fill character

SERIAL 006/03 and SERIAL 008/20 ISSN center

new value: 2 (United Kingdom)

SERIAL 006/07 and SERIAL 008/24 Nature of entire work

new value: u (Standards/specifications)

SERIAL 006/08-10 and SERIAL 008/25-27 Nature of contents

new value: u (Standards/specifications)

SOUND RECORDINGS 007/10 Kind of material

new values: b (Cellulose nitrate)

c (Acetate tape with ferrous oxide)

g (Glass with lacquer)

i (Aluminum with lacquer)

r (Paper with lacquer or ferrous oxide)

z (Other)

026 Fingerprint identifier : new field

038 Record content licensor : new field

046 Special coded dates Change field repeatability: make repeatable

new subfields: j (Date resource modified)

k (Beginning or single date created)

l (Ending date created)

m (Beginning of date valid)

n (End of date valid)

2 (Source of date)

052 Geographic Classification new first indicator value:

1 (U.S. Dept. of Defense Classification)

506 Restrictions on access

new subfield: u (Uniform Resource Identifier)

540 Terms governing use and reproduction note

new subfield: u (Uniform Resource Identifier)

563 Binding information : new field

648 Subject added entry--Chronological term : new field

655 Index term--Genre/Form

new values for second indicator:

0 (Library of Congress Subject Headings)

1 (LC subject headings for children's literature)

2 (Medical Subject Headings)

3 (National Agriculture Library subject authority file)

4 (Source not specified)

5 (Canadian Subject Headings)

6 (Répetoire de vedettes-matiére)

852 Location

Change subfield repeatability: make the following repeatable:

k (Call number prefix)

m (Call number suffix)

2. NEW AUTHORITY RECORD ELEMENTS

This information is provided to assist in evaluating the impact on automated systems as this element could be present in records issued by the Library of Congress; this does not necessarily mean that the element will be actively supplied by LC cataloging staff. This element is fully documented in the MARC 21 Format for Authority Data (http://www.loc.gov/marc/authority).

065 Other classification number : new field

3. BIBLIOGRAPHIC ELEMENTS FOR FUTURE IMPLEMENTATION

The following changes are left over from Update No. 2 (October 2001) to the MARC 21 Format for Bibliographic Data will still not be implemented at the Library of Congress at this time. A future notice will be issued when implementation details have been set.

LEADER/07 (Bibliographic level)

new code: i (Integrating resource)

260 - Publication, distribution, etc. (Imprint): change from non-repeatable to repeatable

define first indicator (Sequence of publishing statements) with values:

[blank] (Not applicable/No information provided/Earliest available publisher)

2 (Intervening publisher)

3 (Current/latest publisher)

4. AUTHORITY ELEMENTS FOR FUTURE IMPLEMENTATION

The following changes from Update No. 3 (October 2002) to the MARC 21 Format for Authority Data will not be implemented at the Library of Congress at this time. A future notice will be issued when implementation details have been set.

148 Heading--Chronological term : new field

448 See from tracing--Chronological term : new field

548 See also from tracing --Chronological term : new field

748 Established heading linking entry--Chronological term : new field

670 Source data found

new subfield: u (Uniform Resource Identifier)

February 19, 2003