Generally, existing 670 fields should not be modified, however, there are some cases where modification may be warranted:
Generally, existing 670 fields should not be modified, however, there are some cases where modification may be warranted:
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1. To correct catalogers’ typos or clarify information that may be needlessly confusing.
+
# To correct catalogers’ typos or clarify information that may be needlessly confusing.
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2. To include additional entity attribute information (e.g., fuller form of name, date information, place of birth/death, etc.) encountered when consulting the same resource.
+
# To include additional entity attribute information (e.g., fuller form of name, date information, place of birth/death, etc.) encountered when consulting the same resource.
<small>''PFAN version adapted from the [https://www.loc.gov/aba/pcc/naco/670faq.html original NACO version] last updated: 2017-09-08''</small>
<small>''PFAN version adapted from the [https://www.loc.gov/aba/pcc/naco/670faq.html original NACO version] last updated: 2017-09-08''</small>