matching an identifier associated with {HEAD ~ the transfer request} to {TAIL ~ the identifier} associated with the identifier of the invoking session associated with the feature instance that is the subject of the request; and if they match, 
matching an identifier associated with { HEAD ~ the transfer request } to { TAIL ~ the identifier } associated with the identifier of the invoking session associated with the feature instance that is the subject of the request ; and if they match ,
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH