Character position definition and scope:

These four character positions are undefined; each may contain a blank ( # ) meaning Undefined or a fill character ( | ) meaning No attempt to code.

National Level Requirement for character positions 008/34-37 is Optional.

Content designator history:

008/35-37  Language of heading code  [obsolete, 1986]:  Prior to 1986, character positions 35-37 were defined as Language of heading code.  In 1986, the definition for these character positions was made obsolete.  Records created prior to 1986 may contain a MARC language code or a # (blank) or a | (fill character) in each of these three character positions.

LC Guidelines:

 008/34-37  Undefined

For information on other 008 character positions, see:

008  Fixed-Length Data Elements

See also:

Variable Control Fields