X-ATC-Chatter and FS-ATC-Chatter have clips that are curated from LiveATC.net. Stick and Rudder Studios has a licensing agreement with LiveATC.net that needs to be renewed every two years. That agreement has been renewed multiple times and we expect that will continue to be the case. In the highly unlikely event that the agreement is not renewed, we would have to stop offering FS-ATC-Chatter and X-ATC-Chatter and would not be able to offer any further clips updates. However, you would still be able to continue to use all the clips you purchased and any clip updates even if our agreement with LiveATC.net is terminated.