De association Building.cadastralParcel is in the diagram but not in de spec, probably some missing tags. (This was already mentioned in issue #111.)
Same for CadastralParcel.building.
I advised to use LangString in stead of GeographicalName in AddressRepresentation as it makes AddressRepresentations needlessly verbose OR allow it to be substituted by Langstring (by mentioning this possibility in the usageNote of GeographicalName). Neither of these possibilities is implemented however.
Length (datatype of HeightAboveGround.value and BuildingGeometry.horizontal/verticalGeometryEstimatedAccuracy) was mapped on INSPIRE-base:Measure while I suggested to use ISO19103:Length for good reasons, see issue #115.
Issue #111 is closed but some issues remain: