The loyalty program instrument may be used to store {HEAD ~ an index} to a record in {TAIL ~ a database} or a portable data file 
The loyalty program instrument may be used to store { HEAD ~ an index } to a record in { TAIL ~ a database } or a portable data file
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH