Subfield code $5 - Institution to which field applies (NR ) (Appendix A: Control Subfields )
Subfield $5 contains the MARC code of the institution or organization that holds the copy to which the data in the field applies. Data in the field may not apply to the universal description of the item or may apply universally to the item but be of interest only to the location cited.
The sources for the MARC code are the MARC Code List for Organizations (maintained by the Library of Congress) and Symbols and Interlibrary Loan Policies in Canada (maintained by the National Library of Canada).
Examples:
500 ##$aFrom the papers of the Chase family.$5DLC
500 ##$aThe Library of Congress copy has bookplate of the Benedictine Monastery in Grafschaft; inscribed by Thomas Jefferson.$5DLC
500 ##$aPlates 4, 5, and 9 are wanting.$5DLC
500 ##$aUniversity Library's copy has ms. notes by author on endpapers.$5WU
583 ##$aQueued for preservation$c19861010-$ePriority$fTitle IIC project$5DLC
655 ##$aAnnotations (Provenance)$zSweden$y18th century.$2rbprov$5MH-H
710 2#$aBridgewater Library,$eformer owner.$5NjP
700 1#$aKissinger, Henry,$d1923-$5DLC
730 0#$aIndex librorum prohibitorum.$f1570.$5DLC
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