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FYI: Just posted on the CPSO home page
(http://lcweb.loc.gov/catdir/cpso) is the announcement that the PCC code
(dpcc) for use in series records is ready to be implemented.  The
updated "yellow pages" DCM Z1 will be sent out to all NACO libraries
next week and the procedures become effective immediately upon receipt
of that documentation.  The CPSO announcement contains details of the
implementation.  Replicated here is the introductory part of the
announcement, please visit the CPSO homepage to view the entire
document.

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   At the request of the PCC Steering Committee, LC*s Network
Development and MARC Standards Office has approved the USMARC
identification code *DPCC* for use in series authority records created
by LC staff and by NACO participants to indicate national-level tracing
practice.

  BIBCO participants who create records for items in series are directed
to follow the national tracing practice indicated by presence of "$5
DPCC" in the 642 and 645 fields in series authority records (SARs) in
the national authority file to assure consistency in the presence and
form of series access points.  The default national-level tracing
decision will be to trace.

Background for decision:

   The treatment of series items varies from one library to another (if
items are analyzed, if items are classified separately or as a
collection, if an access point is included in analytic records)
depending upon local needs and limitations.  LC's local tracing practice
has been the de facto "national" tracing practice for many years.
However, considering LC's local tracing decision to be the national
tracing decision causes the following problems in the context of BIBCO
records:

  (1)  Many BIBCO participants are doing retrospective cataloging for
items in series processed by LC before LC changed its default tracing
decision to "trace" in 1989 (at the request of other libraries) or even
before LC changed its default analysis decision to "analyze in full" in
1971.

  (2)  Due to increasing quantities of publications and a decreasing
number of catalogers at LC, exceptions to the default decision of
"analyze in full" are being made at LC to not analyze some series.  Many
BIBCO participants want to catalog at least some items in these series
and want to include access points for the series in the BIBCO analytic
records.  However, LC's local tracing decision for these non-analyzed
series is coded "n" for "not traced."

  (3)  LC generally does not catalog issues of periodicals and does not
create SARs for periodicals.  Some BIBCO participants want to be able to
catalog specific issues of periodicals for local reasons and want to
include access points for the periodical in the BIBCO analytic records.
However, if an SAR were created, LC*s local tracing decision would be
*n* for *not traced.*

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Ana Cristan
Acting Team Leader/BIBCO Coordinator
Cooperative Cataloging
Regional and Cooperative Cat. Div.
Library of Congress, LM537
Washington, DC 20540-4382
(202) 707-7921 (fax): (202) 707-2824
e-mail: [log in to unmask]