As described herein, a wireless device may be configured to receive, by a wireless device from a base station operating in a store and forward (S&F) mode, a configuration parameter of the S&F mode. The wireless device may further send, by the wireless device to the base station, a first registration request message for a registration procedure. The wireless device may further start, by the wireless device and based on the sending the registration request message, a timer using a NAS period value. The wireless device may further restart, by the wireless device in response to receiving a NAS authentication command message for the registration procedure and based on the configuration parameter, the timer. The wireless device may further send, by the wireless device a second registration request message in response to expiration of the timer.