Character position definition and scope:

The Logical record length character positions contain a five-character numeric string that specifies the length of the entire record, including itself and the record terminator.  The number is right justified and each unused position contains a zero (0).

Users typically do not have access to Leader/00-04; the entry is automatically generated by the system.

National Level Requirement for Leader/00-04:  Mandatory.

For information on other Leader positions, select:

Leader

See also:

MARC 21 Format for Authority Data:  Contents