NACO Participants' Manual -3rd Edition - Library of Congress

7XX Heading Linking EntriesThe use of this field in name or series authority records is to record the authorized form ofname from a national file, whether or not the heading differs from the heading and referencefields in the NACO authority record. The use of this field is limited to a National BibliographyAgency (NBA) or its authorized deputy.NACO members should not add this field to authority records in the LC/NAF without firstobtaining authorization from their NBA, informing their LC liaison of their intention to do so,and receiving an appropriate source code through the LC Network Development and MARCStandards Office (NDMSO).NACO members should not revise nor delete this field from authority records without properauthorization.Pattern:1XX __$a [NACO AACR heading]670 ## $a[Citation]: $b t.p. ([usage for 1XX])7XX 17 $a [Alternate authorized form] $2 [source code]At this time, NBA-produced authority records are those of the Library and Archives of Canada(LAC) and the National Library of South Africa. The 7XX serves as a means for the LAC tolink the English and French versions of their authority records. The British Library and theLibrary of Congress have both announced that they will not, at this time, create nor maintainsuch links.66