008/17 Type of subject subdivision (Variable Control Field - Fixed-Length Data Element)
Character position definition and scope:
A one-character alphabetic code that identifies the type of authorized subject subdivision contained in the 1XX heading field in a subdivision record, an established heading and subdivision record, or a reference and subdivision record. Code n is used in all other kinds of records. The fill character ( | ) is used when no attempt has been made to code this 008 position.
National Level Requirement for character position 008/17 and the codes below is Optional.
Guidelines for applying content designators:
Code: |
Description: |
a |
|
b |
|
c |
|
d |
|
e |
|
n |
|
| |
No attempt to code |
# - Undefined [obsolete, 1986]: Value # (blank) was used in records before the definition of character position 008/17 in 1986 as Type of subject subdivision. Records created prior to that time may contain a # meaning undefined in this position.
008/17 Type of subject subdivision
For information on other 008 character positions, see:
008 Fixed-Length Data Elements
See also: