Identifies this request is a Coordinated Change Activity to an existing access service.
VALID ENTRIES:
Y = Coordinated Change Activity
USAGE: This field is conditional.
NOTE 1: Optional when the first position of the REQTYP field is "E", "L", "M", "S", "V"or "X", and the ACT field is "N", "C", "D", "T", or "M", otherwise prohibited.
DATA CHARACTERISTICS: 1 alpha character
EXAMPLE: Y