Use keyboard shortcut Ctrl + F to open the Form Editor for Leader and the 008 field
The highlighted characters are generated by computer and not to be altered. You will edit other characters as needed.
Bib record
Leader
Library of Congress > MARC format
008
Library of Congress > MARC format
Holding record
Holding records also display the LDR and 008 fields. Leave values in the default holding record template unaltered. Edit 852, 866, etc. as needed.
Leader - default value
Library of Congress > MARC format
008 - default value
Library of Congress > MARC format