Change Indicators

* 7299  Requirement designator, coded                              [B]

  Desc: To specify the designated requirement.

  Repr: an..3

        1 Conditional
             Object is conditional.
        2 Mandatory
             Object is mandatory.
+       3 Optional
             Object is optional.
+       4 Floating
             Object is floating, not at a pre-defined position within
             a message.