Local notes are referred to as local extensions in the MD Editor. Local notes are the ONLY MARC fields that should be added and/or edited in the MD Editor. Local notes are the only MARC fields retained and protected from being overlayed when the OCLC master bib record is updated in the Network Zone (NZ).
The house icon next to the MARC field identifies it as a local field:
SUNY Designated Local Fields & Policy:
All local notes specific to an institution must be added in the Metadata editor using approved local fields. The local fields documentation developed by the MSP designates specific MARC fields to be used for local notes: https://slcny.libguides.com/ld.php?content_id=49705411
To add local notes (extensions) in the MD Editor:
To edit a local MARC field in the MD Editor:
To delete local notes (extensions) in the MD Editor: