15 003
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→Визначення поля
conditions, especially when the records are/were created in a pre-FRBR or a non-FRBR context.
'''Important notice''': it should be noted that for the sake of consistency and clarity, a specific field ([[auth/184|184]]) was
created in the ''UNIMARC authorities format'' to host the target audience codes and the government publication
codes; consequently a similar [[auth/184|184]] field was made available in the ''UNIMARC bibliographic format''. When thosedata are coded in a [[auth/184|184]] field which is carried either in a linked record describing the work, or within the
bibliographic record describing the manifestation that embodies an expression of that work, the relevant
positions in this field (pos. 17-19) must contain value “'''x'''” (“not applicable”).