Character position definition and scope:

The Type of record character position contains a one-character alphabetic code that indicates the characteristics of and defines the components of the record.  Alphabetic codes are input in lowercase.

National Level Requirement for Leader/06:  Mandatory.  For code z used in Leader/06, National Level Requirement is Mandatory.

Code:

Type of record description:

z

Authority data  Indicates that the content of the record constitutes an authority record.  The specific kind of authority record is identified by the code in 008/09 (Kind of record).

Related MARC fields or documents:

008/09   Kind of record

RDA in MARC Authority Data

For information on other Leader positions, select:

Leader

See also:

MARC 21 Format for Authority Data:  Contents