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The OCLC-MARC Bibliographic and Holdings Format Update 2017 is scheduled to be installed during August 2017.  All details are now available in OCLC Technical Bulletin 267:  OCLC-MARC Format Update 2017 available at http://www.oclc.org/support/services/worldcat/documentation/tb/267.en.html.  This update will implement MARC 21 Bibliographic and Holdings format changes announced in MARC 21 Updates No. 23 (November  2016; http://www.loc.gov/marc/marc21_update23_online.html) and No. 24 (May 2017; http://www.loc.gov/marc/marc21_update24_online.html), including:


  *   New code "n" in Bibliographic Leader/18 (Descriptive cataloging form; "Desc") is defined for "Non-ISBD Punctuation Omitted."
  *   Bibliographic format Score 008/20 (Format of Music; "FMus") has new code "p" for "Piano Score;" code "b" redescribed and renamed "Miniature or Study Score;" and codes "I" (Condensed score), "k" (Vocal score), "l" (Score), and "z" (Other) redescribed.
  *   Bibliographic field 028 has been redefined and renamed "Publisher or Distributor Number," has First Indicator renamed "Type of Number," has First Indicator code "1" (Matrix Number) redescribed, has First Indicator "3" renamed to "Other Music Publisher Number," has First Indicator code "4" renamed "Video Recording Publisher Number," has a new First Indicator code "6" for "Distributor Number," has subfield $a renamed "Publisher or Distributor Number," and has subfield $b (Source) redescribed.  There have been corresponding clarifications to Bibliographic field 037.
  *   Bibliographic field 340 (Physical Medium) has new subfield $g defined for "Color Content."
  *   Bibliographic field 382 (Medium of Performance) has new subfield $3 defined for "Materials Specified."
  *   Bibliographic field 647 has been defined for "Subject Added Entry -- Named Event."
  *   Bibliographic field 885 has been defined for "Matching Information."
  *   New subfields $0 (Authority Record Control Number or Standard Number) have been defined for many existing Bibliographic fields.
  *   Subfield $4 has been renamed "Relationship" consistently throughout the Bibliographic format.
  *   Subfield $6 (Linkage) has been defined in over 230 Bibliographic fields where it has been defined by MARC 21 and in corresponding local OCLC fields.
  *   Subfield $8 (Field Link and Sequence Number) has had the new Field Link Type "u" defined for "General Linking, Type Unspecified" in both Bibliographic and Holdings records.
  *   New Holdings field 347 "Digital File Characteristics" is defined.

Additionally, OCLC will validate MARC codes announced in fourteen LC Technical Notices (http://www.loc.gov/marc/marcginf.html#naa<http://www.loc.gov/marc/marcginf.html>) issued between June 2016 and May 2017.  OCLC has also converted all existing Bibliographic fields 260 (Publication, Distribution, Etc. (Imprint)) subfield $d (Plate or Publisher's Number for Music (Pre-AACR2)) to field 028 and will make field 260 subfield $d obsolete.

Although MARC 21 Authority Format changes From Updates No. 23 and No. 24 are documented in Technical Bulletin 267, the Authority record changes will be implemented not at this time but instead at a future date in coordination with the Library of Congress and the Name Authority Cooperative (NACO) of the Program for Cooperative Cataloging (PCC).  LC, NACO, and OCLC will make announcements at that future date.

OCLC plans to install the OCLC-MARC Bibliographic and Holdings Format Update 2017 during August 2017 and will make announcements widely through the usual discussion lists and Connexion logon greetings at that time.

Please forgive any duplication of this message.

jay

--

Jay Weitz

OCLC * Senior Consulting Database Specialist, WorldCat Metadata Quality, Global Product Management

6565 Kilgour Place, Dublin, Ohio USA 43017

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