# State Looking at https://github.com/buildingSMART/Sample-Test-Files/blob/5016207e14159f2fcf60d6f4dddfedfb7d2e0994/IFC%204.3.2.0%20(IFC4X3_ADD2)/PCERT-Sample-Scene/Infra-Bridge.ifc#L25 with https://github.com/buildingSMART/Sample-Test-Files/blob/5016207e14159f2fcf60d6f4dddfedfb7d2e0994/IFC%204.3.2.0%20(IFC4X3_ADD2)/PCERT-Sample-Scene/Infra-Bridge.ifc#L22  while considering the definition of the referenced CRS [32760](https://epsg.io/32760):  I wonder: # Question Shouldn't the unit of the `IfcProjectedCRS.MapUnit` be a metre, and not a millimetre? This applies to all example files [here](https://github.com/buildingSMART/Sample-Test-Files/blob/5016207e14159f2fcf60d6f4dddfedfb7d2e0994/IFC%204.3.2.0%20(IFC4X3_ADD2)/PCERT-Sample-Scene/).