1. Section
     Advance Directives Section (entries required) (V3) (2.16.840.1.113883.10.20.22.2.21.1)
    1. Entry
       Advance Directive Observation (V3) (2.16.840.1.113883.10.20.22.4.48)
      1. notype
         Author Participation (2.16.840.1.113883.10.20.22.4.119)
      2. datatypelevel
         US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.10.20.22.5.2)
      3. datatypelevel
         US Realm Person Name (PN.US.FIELDED) (2.16.840.1.113883.10.20.22.5.1.1)
      4. datatypelevel
         US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.10.20.22.5.2)
    2. Entry
       Advance Directive Observation (V3) (2.16.840.1.113883.10.20.22.4.48)
      1. notype
         Author Participation (2.16.840.1.113883.10.20.22.4.119)
      2. datatypelevel
         US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.10.20.22.5.2)
      3. datatypelevel
         US Realm Person Name (PN.US.FIELDED) (2.16.840.1.113883.10.20.22.5.1.1)
      4. datatypelevel
         US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.10.20.22.5.2)
    3. Entry
       Advance Directive Organizer (V2) (2.16.840.1.113883.10.20.22.4.108)
      1. notype
         Author Participation (2.16.840.1.113883.10.20.22.4.119)
      2. Entry
         Advance Directive Observation (V3) (2.16.840.1.113883.10.20.22.4.48)
        1. notype
           Author Participation (2.16.840.1.113883.10.20.22.4.119)
        2. datatypelevel
           US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.10.20.22.5.2)
        3. datatypelevel
           US Realm Person Name (PN.US.FIELDED) (2.16.840.1.113883.10.20.22.5.1.1)
        4. datatypelevel
           US Realm Address (AD.US.FIELDED) (2.16.840.1.113883.10.20.22.5.2)