FedEx SmartPost Web Services Special Services

Special Service ID
Residential Delivery 35
Ground Economy Ancillary Endorsement - Address Correction 69
Ground Economy Ancillary Endorsement - Carrier Leave 70
Ground Economy Ancillary Endorsement - Change Service 71
Ground Economy Ancillary Endorsement - Forwarding Service 72
Ground Economy Ancillary Endorsement - Return Service 73

See full FedEx SmartPost Web Services (CarrierID=56) Reference.