|1st Indicator Undefined|
|2nd Indicator Undefined|
|Subfields (R=Repeatable NR=Nonrepeatable)||Input Standards|
|‡a||System control number (NR)||Mandatory/Mandatory|
|‡b||Institution symbol (R)||Required if applicable/Required if applicable|
|‡z||Canceled/invalid system control number (R)||Optional/Optional|
|Contains local control numbers that identify the same bibliographic record. Numbers may include local system, accession, or serial control numbers. Use for control numbers assigned by other institutions or for the control number assigned by the institution that created the record. |
OCLC defines field 035 for local use. It is not retained in the master record. It is retained in archive records, institution records, exported records and OCLC-MARC records.
|Undefined. The 1st indicator position is undefined and contains a blank ( ).|
|Undefined. The 2nd indicator position is undefined and contains a blank ( ).|
LC defines only subfields ‡a and ‡z. You may follow LC practice or OCLC practice.
|‡a System control number||If you are following LC practice, enter the local institution's MARC Organization code, in parentheses, before the control number. Do not enter a space between the code and the control number. |
|‡b Institution symbol||The OCLC symbol of the institution that assigned the number. Use subfield ‡b for each subfield ‡a and each subfield ‡z. Enter subfield ‡b after the appropriate subfield. If you are following LC practice, do not use subfield ‡b.|
|‡z Canceled/invalid system control number||If you are following LC practice, enter the local institution's MARC Organization code in parentheses before the canceled or invalid system control number.|
|Field 035 does not print.|