S1:When security level 2 or 3 is get by the port facility you are visiting and the information was communicated to you ,what should you do on board? S2:According to the ISPS code ,I shall acknowledge the receipt of the instructions on change of the security level. Q:What shall the second speaker do if a port is operating on level 3 and the information was exchanged to his ship? A. He can set the security level based on his ship's own condition B. He should confirm the receipt on the security level change C. He should prepare and sign the declaration of security D. He is not obliged to raise the ship 's security level accordingly