Identifies the activity that is occurring on this leg per this request.
VALID ENTRIES:
N = New leg
D = Disconnect leg
C = Change leg
M = Move (inside)
K = Cancel pending activity
R = Record order (ASR activity must also be "R")
NOTE 1: LEGACT of "K" is prohibited for the following
conditions:
- When only 1 MSL Form is involved on request
- On all MSL Forms in one request
- On initial send of request
USAGE: This field is required.
DATA CHARACTERISTICS: 1 alpha character
EXAMPLE: N