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PFAN - Name Authority Manual (view source)
Revision as of 09:14, 23 February 2021
, 09:14, 23 February 2021→046 Special coded dates
The following represents PFAN practice on recording sources of information in $u and $v in fields where they are defined, and/or in field 670:
The following represents PFAN practice on recording sources of information in $u and $v in fields where they are defined, and/or in field 670:
<ol>
<li>670s must be used to support information used as part of a heading in 1XX and 4XX fields.</li>
<li>For fields 046, 368, 370-378, and 381:
<ol>
<li type="a">use of $v is optional if the same information/source is already cited in the 670</li>
<li type="a">use $v if the information/source is not cited in a 670</li>
a.use of $v is optional if the same information/source is already cited in the 670
<li type="a">use of $u is optional, and should always be preceded by $v</li>
</li>
</ol>
</li>
</ol>
Use a 670 field if needed to justify information recorded in other fields for which subfields $u and/or $v are not defined or defined differently.
Use a 670 field if needed to justify information recorded in other fields for which subfields $u and/or $v are not defined or defined differently.