Amending the Annexes to Decisions of the Executive Director of the Agency on General Acceptable Means of Compliance for Airworthiness of Products, Parts and Appliances (AMC-20) 2003/12/RM of 5 November 2003, 2007/019/R of 19 December 2007 and 2009/019/R of 16 December 2009 âSoftware considerations for airborne systems and equipmentâ?âAMC-20 Amendment 10â?