diff --git a/Specifications_Test_Files/Extrusions/Extrusions Archicad 2020.05.28.ifc b/Specifications_Test_Files/Extrusions/Extrusions Archicad 2020.05.28.ifc
new file mode 100644
index 0000000..b52b9fb
--- /dev/null
+++ b/Specifications_Test_Files/Extrusions/Extrusions Archicad 2020.05.28.ifc	
@@ -0,0 +1,257 @@
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+#486= IFCRELDEFINESBYTYPE('0X4vU0vPnPVrGgzpaFKyIc',#12,$,$,(#456),#485);
+ENDSEC;
+
+END-ISO-10303-21;
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