If it is determined that the terminal does not have an attribute certificate, the terminal transmits {HEAD ~ an attribute certificate issuance suggestion message} for suggesting {TAIL ~ an attribute certificate} issuing request to the terminal  
for suggesting
If it is determined that the terminal does not have an attribute certificate , the terminal transmits { HEAD ~ an attribute certificate issuance suggestion message } for suggesting { TAIL ~ an attribute certificate } issuing request to the terminal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH