Changes

</ol>

</ol>

<li> <li value="3">The file does not contain duplicates. Participating libraries must ensure that an authority record does not already exist before creating a new one. Consequently, participating libraries must update an existing authority record rather than create a new one when they wish to include additional information about the entity represented by the record (for example, a birth date).</li>

<li> <li value="3">The file <span style="color:red">must</span> not contain duplicates. Participating libraries must ensure that an authority record does not already exist before creating a new one. Consequently, participating libraries must update an existing authority record rather than create a new one when they wish to include additional information about the entity represented by the record (for example, a birth date).</li>

<li>When an authority contains coding which indicates that it is not RDA compliant (008/10 (Descriptive cataloging rules) containing a value other than z and no 040 $e "rda") is revised, the access points it contains must be revised, if necessary, to comply with RDA and the coding in fields 008 and 040 modified accordingly.

<li>When an authority contains coding which indicates that it is not RDA compliant (008/10 (Descriptive cataloging rules) containing a value other than z and no 040 $e "rda") is revised, the access points it contains must be revised, if necessary, to comply with RDA and the coding in fields 008 and 040 modified accordingly.

<li>The authorities must be formulated in MARC21 according to RDA and follow the options indicated in the LC-PCC PS, the LAC-BAnQ policy statements and other policies established by the Standards Committee.

<li>The authorities must be formulated in MARC21 according to RDA and follow the options indicated in the LC-PCC PS, the LAC-BAnQ policy statements and other policies established by the Standards Committee.

* [https://www.loc.gov/aba/pcc/naco/documents/npm3rd.pdf NACO Participants' Manual. 3rd Edition.] Edited by Patricia Van Ryn and William L. Starck. July 31, 2005

* [https://www.loc.gov/aba/pcc/naco/documents/npm3rd.pdf NACO Participants' Manual. 3rd Edition.] Edited by Patricia Van Ryn and William L. Starck. July 31, 2005

* [https://www.loc.gov/aba/pcc/naco/parameters.html NACO Program Parameters]

* [https://www.loc.gov/aba/pcc/naco/parameters.html NACO Program Parameters]

''Last Update: 2021-06-18''<!--(2021-04-20)-->

''Last Update: 2022-09-15''<!--(2022-09-15)-->

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[[Category:PFAN]]

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