Section: 8.3.14.3 Protocol configuration options
Content: This IE shall be included in the message when, during the attach procedure, the UE wishes to transmit security protected (protocol) data (e.g. configuration parameters, error codes or messages/events) to the network, and: a) the UE is in WB-S1 mode; b) the requested PDN Type is different from non-IP and Ethernet; and c) the requested APN is not for UAS services. This IE shall be included if: a) the UE supports local IP address in traffic flow aggregate description and TFT filter; b) the UE is in WB-S1 mode; c) the requested PDN Type is different from non-IP and Ethernet; and d) the requested APN is not for UAS services. This IE shall not be included if the Extended protocol configuration options IE is included in the message.