035 System Control Number (R) (Variable Data Field)
Field definition and scope:
Field 035 contains a system control number for a record that belongs to a system other than the one whose number is contained in field 001 (Control Number) or field 010 (Library of Congress Control Number) . For interchange purposes, documentation of the structure and use of the system control number must be provided to exchange partners by the originating organization. Each valid system control number and any related cancelled or invalid control number are contained in a separate 035 field.
Field 035 is repeatable .
Guidelines for applying content designators:
For indicator and subfield code definitions and examples, and designator repeatability , see table below:
Position | Description | Repeatability |
Field 035 | System Control Number | R |
Indicator: | ||
First | Undefined; contains a blank | |
Second | Undefined; contains a blank | |
Subfield code: | ||
$a | NR | |
$z | R |
Input conventions:
Related USMARC fields or documents:
010 Library of Congress Control Number
USMARC Code List for Organizations
See also:
0XX Control Information, Numbers and Codes