ListMTCR – Equipment, Software and Technology Annex – Version of 14 March 2024 Entries in this group 20.D.1. "Software" specially designed or modified for the systems specified in 20.B.1.20.D.2. "Software", not specified in 2.D.2., specially designed or modified for the "use" of rocket motors or engines specified in 20.A.1.b.