selection procedures the present invention provides a location area access restriction indication procedure shown in fig4 that may be used in scenarios where an area is shared or not shared the radio access network 4 broadcasts system information in each cell including location area access restriction information step s 10 based on the received location access restriction information for a particular cell a user equipment terminal operating in a connected mode as defined above determines whether to perform a location area update involving the core network when entering a cell in a new location area step s 12 referring to the geographical area shown in fig5 similar to that shown in fig2 with the addition of representative cells a mobile radio terminal in connected mode is shown moving out of operator b 39 s location area b 1 an area which is not shared with operator a and into a shared location area the mobile radio receives information broadcast from cell ca 3 in a 39 s location area a 2 that broadcast information includes a location access restriction indication accordingly the mobile terminal performs a location area update with the core network the core network checks the mobile 39 s identity e g its imsi against a database storing a list of location areas that mobile may or may not obtain service if access is restricted for that mobile terminal to cells.