Reference
AIXM
https://aixm.aero
The Aerospace Data Repository (ADR) implements the Flexible Use of Airspace (FUA) data model extension which supports: AMC - manageable areas (D_AMC, R_AMC), conditional routes (CDR) and Free Route Airspace (FRA). The supported feature extensions can be found using the following link: https://aixm.aero/schema/5.1/extensions/EUR/EAD/ADR/EADADR_Features.xsd
https://aixm.aero/schema/5.1/extensions/EUR/EAD/ADR/EADADR_DataTypes.xsd