The structured field introducers produced for the LISTOWNER subcommand with OUTPUT=FIELDS are:

<Begin OWNER Group>
  <OWN  - Owner                    :  8, character         >
  <SUR  - Owner's Surname          : 20, character         >
  <FOR  - Owner's Forename         : 20, character         >
  <DPT  - Owner's Department       : 40, character         >
  <ADL1 - Address Line 1           : 40, character         >
  <ADL2 - Address Line 2           : 40, character         >
  <ADL3 - Address Line 3           : 40, character         >
  <ITL  - Owner's Internal Tele Num:  8, character         >
  <ETL  - Owner's Ext Telephone Num: 20, character         >
  <EMU  - Owner's User ID          :  8, character         >
  <EMN  - Owner's Node             :  8, character         >
  <VLN  - Number of Volumes        :  4, bin(32)           >
  <EML  - Owner's Email Address    : 63, character         >
  <TZ   - Time Zone                :  4, bin(32)           >
  <LCDJ - Last Change Date         :  4, packed decimal    >
  <LCTM - Last Change Time         :  4, packed decimal    >
  <LCID - Last Change User ID      :  8, character         >
  <LCSI - Last Change System ID    :  8, character         >
  <LCUD - Last "User" Change Date  :  4, packed decimal    >
  <LCUT - Last "User" Change Time  :  4, packed decimal    >
<End OWNER Group>