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