C778
POSITION IDENTIFICATION
To identify the position of an object in a structure containing the object.
7164
Hierarchical id. number
  • Conditional
  • Type: an
  • Length: 0..12
A unique number assigned by the sender to identify a level within a hierarchical structure.
1050
Sequence number
  • Conditional
  • Type: an
  • Length: 0..10
Number indicating the position in a sequence.