None
					                            
						                              The Location Area Identifier (LAI) of the phone’s current location, continuously maintained on the (C/U)SIM when the phone is active and saved whenever the phone is turned off.
						                            Source(s):
						                            
								                            
                                                                    NIST SP 800-101 Rev. 1
										                            
									                            
						                            
						                            
						                        
					                            
						                              the Location Area Identifier (LAI) of the phone’s current location, continuously maintained on the SIM when the phone is active and saved whenever the phone is turned off.
						                            Source(s):
						                            
								                            
                                                                    NISTIR 7250
										                             under Location Information 
									                            
                                                                    NISTIR 7387
										                             under Location Information