|First Indicator||Second Indicator|
|Type of personal name entry element
0 - Forename
1 - Surname
3 - Family name
# - Undefined
Personal name used as a primary name associated with the record.
Description of the first indicator position and all subfield codes, as well as input conventions for the 100 field are given in the X00 Personal Names-General Information section. Because the second indicator is different for various X00 fields, it is not described in the general information section, but is described below.
Second Indicator - Undefined
Undefined and contains a blank (#).