035 - System Control Number (R)
MARC 21 Community Information - Full
# - Undefined
# - Undefined
|$a - System control number (NR)
$z - Canceled/invalid system control number (R)
|$6 - Linkage (NR)
$8 - Field link and sequence number (R)
FIELD DEFINITION AND SCOPE
System control number for a record that belongs to a system other than the one whose
number is contained in field 001 (Control Number), field 010 (Library of Congress
Control Number), or field 016 (National Bibliographic Agency 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 canceled/invalid control number are contained in a
separate 035 field.
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
- Both indicator positions are undefined; each contains a blank (#).
■ SUBFIELD CODES
$a - System control number
MARC code (enclosed in parentheses) of the organization originating the system
control number, followed immediately by the number. See Organization Code Sources
for a listing of organization code sources used in MARC 21 records.
$z - Canceled/invalid system control number
Canceled or invalid system control number that is associated with the valid system
control number contained in subfield $a.
$8 - Field link and sequence number
Punctuation - Field 035 does not end with a period.
Structure - Structure of the system control number is determined by the documentation provided by
the originating system. No space occurs between the parenthetical MARC code and the
first character position of the control number. For Canadian organizations, the
organization code is preceded by the letters “ Ca”.