Identifies a request for installation or removal of the service code denial feature on a line or hunt group.
VALID ENTRIES:
Y = Install
R = Remove
NOTE 1: All service codes are denied with the provision of this option (including 0-, 555 and N11 where N11 is any open service code).
USAGE: This field is conditional.
NOTE 1: Optional when the ACT field on the ASR Form is "N" or "C", otherwise prohibited.
DATA CHARACTERISTICS: 1 alpha character
EXAMPLE: Y