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