Changes

When changing the form of a superordinate body, a geographic name, or a personal name in a 1XX, update all of the existing NARs that use that component in a 4XX, unless the 4XX represents the former authorized access point (e.g., $w/2=e). ''Exception:'' Do not apply this instruction in the case of migrated authority records that have not been re-evaluated.

When changing the form of a superordinate body, a geographic name, or a personal name in a 1XX, update all of the existing NARs that use that component in a 4XX, unless the 4XX represents the former authorized access point (e.g., $w/2=e). ''Exception:'' Do not apply this instruction in the case of migrated authority records that have not been re-evaluated.

<span id="4XX$w"></span

<span id="4XX$w"></span>

'''Subfield $w – Control subfield'''

'''Subfield $w – Control subfield'''