diff --git a/conformance_test/core_language_tests/negative_tests/06_types_and_values.script b/conformance_test/core_language_tests/negative_tests/06_types_and_values.script
index 85f9fd3ee8a1813cdc9774c5f15d0c6598b65ee1..b2edfbff374befb8a1d48f3cc49cf090ea12f444 100644
--- a/conformance_test/core_language_tests/negative_tests/06_types_and_values.script
+++ b/conformance_test/core_language_tests/negative_tests/06_types_and_values.script
@@ -6008,7 +6008,7 @@ module NegSem_060207_arrays_011 {
 <END_MODULE>
 
 <RESULT COUNT 1>
-error: Reference to a constant value was expected instead of the return value of function `@NegSem_060207_arrays_011.f'
+error: Reference to a static value was expected instead of the return value of function `@NegSem_060207_arrays_011.f'
 <END_RESULT>
 
 <END_TC>
@@ -6061,7 +6061,7 @@ module NegSem_060207_arrays_012 {
 <END_MODULE>
 
 <RESULT COUNT 1>
-error: Reference to a constant value was expected instead of the return value of function `@NegSem_060207_arrays_012.f'
+error: Reference to a static value was expected instead of the return value of function `@NegSem_060207_arrays_012.f'
 <END_RESULT>
 
 <END_TC>
@@ -8078,6 +8078,299 @@ error: Runs on clause mismatch: A definition that runs on component type `@NegSe
 <END_TC>
 :exmp
 
+*---------------------------------------------------------------------*
+:h3. NegSem_060303_component_types_003 negative test
+.*---------------------------------------------------------------------*
+:xmp tab=0.
+
+<TC - 060303_003 Ensure that the IUT correctly handles component compatibility of different runs on clauses >
+
+<COMPILE>
+
+<MODULE TTCN NegSem_060303_component_types_003 NegSem_060303_component_types_003.ttcn >
+/******************************************************************************
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of different runs on clauses
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Runs on compatibility: a function or altstep referring to component type "A" in its runs on clause may be
+//called or started on a component instance of type 'B' if all the definitions of "A" have identical definitions in
+//"B". 
+
+module NegSem_060303_component_types_003 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralCompEx {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_003() runs on GeneralComp {
+		f_test(); // is not allowed, because GeneralComp is not compatible with the "runs on" of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_003());
+	}
+}
+<END_MODULE>
+
+<RESULT COUNT 1>
+error: Runs on clause mismatch: A definition that runs on component type `@NegSem_060303_component_types_003.GeneralComp' cannot call function `@NegSem_060303_component_types_003.f_test', which runs on `@NegSem_060303_component_types_003.GeneralCompEx'
+<END_RESULT>
+
+<END_TC>
+:exmp
+
+*---------------------------------------------------------------------*
+:h3. NegSem_060303_component_types_004 negative test
+.*---------------------------------------------------------------------*
+:xmp tab=0.
+
+<TC - 060303_004 Ensure that the IUT correctly handles component compatibility of mtc and runs on clause >
+
+<COMPILE>
+
+<MODULE TTCN NegSem_060303_component_types_004 NegSem_060303_component_types_004.ttcn >
+/******************************************************************************
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of mtc and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Mtc compatibility: a function or altstep referring to component type "A" in its mtc clause may be called or
+// started in any context that has a mtc clause of type "B" or a testcase with a runs on clause of type "B" if all the
+// port definitions of "A" have identical definitions in "B". If the type of the mtc is unknown in the calling
+// function, this can lead to runtime errors if the component type "A" is not mtc-compatible with the type of the
+// running mtc. 
+
+module NegSem_060303_component_types_004 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp mtc GeneralComp {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_004() runs on GeneralCompEx {
+		f_test(); // is not allowed, because GeneralCompEx is not compatible with the mtc of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_004());
+	}
+}
+<END_MODULE>
+
+<RESULT COUNT 1>
+error: Mtc clause mismatch: A definition that runs on component type `@NegSem_060303_component_types_004.GeneralCompEx' cannot call function `@NegSem_060303_component_types_004.f_test', which mtc clause is `@NegSem_060303_component_types_004.GeneralComp'
+<END_RESULT>
+
+<END_TC>
+:exmp
+
+*---------------------------------------------------------------------*
+:h3. NegSem_060303_component_types_005 negative test
+.*---------------------------------------------------------------------*
+:xmp tab=0.
+
+<TC - 060303_005 Ensure that the IUT correctly handles component compatibility of mtc and runs on clause >
+
+<COMPILE>
+
+<MODULE TTCN NegSem_060303_component_types_005 NegSem_060303_component_types_005.ttcn >
+/******************************************************************************
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of mtc and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Mtc compatibility: a function or altstep referring to component type "A" in its mtc clause may be called or
+// started in any context that has a mtc clause of type "B" or a testcase with a runs on clause of type "B" if all the
+// port definitions of "A" have identical definitions in "B". If the type of the mtc is unknown in the calling
+// function, this can lead to runtime errors if the component type "A" is not mtc-compatible with the type of the
+// running mtc. 
+
+module NegSem_060303_component_types_005 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp mtc GeneralCompEx {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_005() runs on GeneralComp {
+		f_test(); // is not allowed, because GeneralComp is not compatible with the mtc of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_005());
+	}
+}
+<END_MODULE>
+
+<RESULT COUNT 1>
+error: Mtc clause mismatch: A definition that runs on component type `@NegSem_060303_component_types_005.GeneralComp' cannot call function `@NegSem_060303_component_types_005.f_test', which mtc clause is `@NegSem_060303_component_types_005.GeneralCompEx'
+<END_RESULT>
+
+<END_TC>
+:exmp
+
+*---------------------------------------------------------------------*
+:h3. NegSem_060303_component_types_006 negative test
+.*---------------------------------------------------------------------*
+:xmp tab=0.
+
+<TC - 060303_006 Ensure that the IUT correctly handles component compatibility of system and runs on clause >
+
+<COMPILE>
+
+<MODULE TTCN NegSem_060303_component_types_006 NegSem_060303_component_types_006.ttcn >
+/******************************************************************************
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of system and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+//System compatibility: a function or altstep referring to component type "A" in its system clause may be called
+//or started in any context that has a system clause of type "B" or a test case with a runs on clause of type "B"
+//and no system clause if all the port definitions of "A" have identical definitions in "B". If the type of the
+//system is unknown in the calling function, this can lead to runtime errors if the component type "A" is not
+//system-compatible with the type of the system the current test case was started on.  
+
+module NegSem_060303_component_types_006 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp system GeneralComp {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_006() runs on GeneralCompEx {
+		f_test(); // is not allowed, because GeneralCompEx is not compatible with the system of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_006());
+	}
+}
+<END_MODULE>
+
+<RESULT COUNT 1>
+error: System clause mismatch: A definition with system component type `@NegSem_060303_component_types_006.GeneralCompEx' cannot call function `@NegSem_060303_component_types_006.f_test', which system clause is `@NegSem_060303_component_types_006.GeneralComp'
+<END_RESULT>
+
+<END_TC>
+:exmp
+
+*---------------------------------------------------------------------*
+:h3. NegSem_060303_component_types_007 negative test
+.*---------------------------------------------------------------------*
+:xmp tab=0.
+
+<TC - 060303_007 Ensure that the IUT correctly handles component compatibility of system and runs on clause >
+
+<COMPILE>
+
+<MODULE TTCN NegSem_060303_component_types_007 NegSem_060303_component_types_007.ttcn >
+/******************************************************************************
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of system and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+//System compatibility: a function or altstep referring to component type "A" in its system clause may be called
+//or started in any context that has a system clause of type "B" or a test case with a runs on clause of type "B"
+//and no system clause if all the port definitions of "A" have identical definitions in "B". If the type of the
+//system is unknown in the calling function, this can lead to runtime errors if the component type "A" is not
+//system-compatible with the type of the system the current test case was started on.  
+
+module NegSem_060303_component_types_007 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp system GeneralComp {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_007() runs on GeneralComp system GeneralCompEx {
+		f_test(); // is not allowed, because GeneralCompEx is not compatible with the system of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_007());
+	}
+}
+<END_MODULE>
+
+<RESULT COUNT 1>
+error: System clause mismatch: A definition with system component type `@NegSem_060303_component_types_007.GeneralCompEx' cannot call function `@NegSem_060303_component_types_007.f_test', which system clause is `@NegSem_060303_component_types_007.GeneralComp'
+<END_RESULT>
+
+<END_TC>
+:exmp
+
 .*---------------------------------------------------------------------*
 :h1.References
 .*---------------------------------------------------------------------*
diff --git a/conformance_test/core_language_tests/negative_tests/07-14_folder.script b/conformance_test/core_language_tests/negative_tests/07-14_folder.script
index f0ab1f9b663982c2e9cd2f68af2bb0ff2d6a5f50..61f7a8e696c7ca0135d0f734012ee00caf958640 100644
--- a/conformance_test/core_language_tests/negative_tests/07-14_folder.script
+++ b/conformance_test/core_language_tests/negative_tests/07-14_folder.script
@@ -2135,7 +2135,7 @@ module NegSem_10_Constants_001 {
 <END_MODULE>
 
 <RESULT COUNT 1>
-error: An evaluable constant value was expected instead of operation `rnd \(seed\)'
+error: A static value was expected instead of operation `rnd \(seed\)'
 <END_RESULT>
 
 <END_TC>
diff --git a/conformance_test/core_language_tests/negative_tests/23-27-B_folders.script b/conformance_test/core_language_tests/negative_tests/23-27-B_folders.script
index a4ac1a092307db3b8d69a3f08e14616de91b1d65..68460148b179e4140c8f9d9cee8795b59c68089d 100644
--- a/conformance_test/core_language_tests/negative_tests/23-27-B_folders.script
+++ b/conformance_test/core_language_tests/negative_tests/23-27-B_folders.script
@@ -2001,7 +2001,7 @@ module NegSem_24_toplevel_001 {
 <END_MODULE>
 
 <RESULT COUNT 1>
-error: An evaluable constant value was expected instead of operation `getverdict\(\)'
+error: A static value was expected instead of operation `getverdict\(\)'
 <END_RESULT>
 
 <END_TC>
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_003.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_003.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..7e2d7d11ef7815f54f74ef74e3f8ed1f910479ab
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_003.ttcn
@@ -0,0 +1,42 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of different runs on clauses
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Runs on compatibility: a function or altstep referring to component type "A" in its runs on clause may be
+//called or started on a component instance of type 'B' if all the definitions of "A" have identical definitions in
+//"B". 
+
+module NegSem_060303_component_types_003 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralCompEx {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_003() runs on GeneralComp {
+		f_test(); // is not allowed, because GeneralComp is not compatible with the "runs on" of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_003());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_004.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_004.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..c87ce2527ae78705f164579955b7dc418ac3c923
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_004.ttcn
@@ -0,0 +1,44 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of mtc and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Mtc compatibility: a function or altstep referring to component type "A" in its mtc clause may be called or
+// started in any context that has a mtc clause of type "B" or a testcase with a runs on clause of type "B" if all the
+// port definitions of "A" have identical definitions in "B". If the type of the mtc is unknown in the calling
+// function, this can lead to runtime errors if the component type "A" is not mtc-compatible with the type of the
+// running mtc. 
+
+module NegSem_060303_component_types_004 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp mtc GeneralComp {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_004() runs on GeneralCompEx {
+		f_test(); // is not allowed, because GeneralCompEx is not compatible with the mtc of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_004());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_005.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_005.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..2a104f896785c1543ac70f0b3fa640e7ffa037cc
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_005.ttcn
@@ -0,0 +1,44 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of mtc and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Mtc compatibility: a function or altstep referring to component type "A" in its mtc clause may be called or
+// started in any context that has a mtc clause of type "B" or a testcase with a runs on clause of type "B" if all the
+// port definitions of "A" have identical definitions in "B". If the type of the mtc is unknown in the calling
+// function, this can lead to runtime errors if the component type "A" is not mtc-compatible with the type of the
+// running mtc. 
+
+module NegSem_060303_component_types_005 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp mtc GeneralCompEx {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_005() runs on GeneralComp {
+		f_test(); // is not allowed, because GeneralComp is not compatible with the mtc of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_005());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_006.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_006.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..20645600c47c6569bfb9fa27bac8358e2b5f47fd
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_006.ttcn
@@ -0,0 +1,44 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of system and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+//System compatibility: a function or altstep referring to component type "A" in its system clause may be called
+//or started in any context that has a system clause of type "B" or a test case with a runs on clause of type "B"
+//and no system clause if all the port definitions of "A" have identical definitions in "B". If the type of the
+//system is unknown in the calling function, this can lead to runtime errors if the component type "A" is not
+//system-compatible with the type of the system the current test case was started on.  
+
+module NegSem_060303_component_types_006 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp system GeneralComp {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_006() runs on GeneralCompEx {
+		f_test(); // is not allowed, because GeneralCompEx is not compatible with the system of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_006());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_007.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_007.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..907897266de0ad3fa898daf580cab8f532e25294
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/NegSem_060303_component_types_007.ttcn
@@ -0,0 +1,44 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of system and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+//System compatibility: a function or altstep referring to component type "A" in its system clause may be called
+//or started in any context that has a system clause of type "B" or a test case with a runs on clause of type "B"
+//and no system clause if all the port definitions of "A" have identical definitions in "B". If the type of the
+//system is unknown in the calling function, this can lead to runtime errors if the component type "A" is not
+//system-compatible with the type of the system the current test case was started on.  
+
+module NegSem_060303_component_types_007 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx extends GeneralComp {
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp system GeneralComp {
+		setverdict(fail);
+    }
+
+	testcase TC_NegSem_060303_component_types_007() runs on GeneralComp system GeneralCompEx {
+		f_test(); // is not allowed, because GeneralCompEx is not compatible with the system of the function
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_NegSem_060303_component_types_007());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_003.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_003.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..304b39183ce1068d4ec097c257f21b5b7960f650
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_003.ttcn
@@ -0,0 +1,43 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of different runs on clauses
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Runs on compatibility: a function or altstep referring to component type "A" in its runs on clause may be
+//called or started on a component instance of type 'B' if all the definitions of "A" have identical definitions in
+//"B". 
+
+module Sem_060303_component_types_003 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p;
+	}
+    
+    type component GeneralCompEx {
+        port P p;
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp {
+		setverdict(pass);
+    }
+
+	testcase TC_Sem_060303_component_types_003() runs on GeneralCompEx {
+		f_test(); // GeneralCompEx and GeneralComp are "runs on" compatible
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_Sem_060303_component_types_003());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_004.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_004.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..84e1f3ac467cdb72cf1f45673a468f831c13b8df
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_004.ttcn
@@ -0,0 +1,46 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of mtc and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+// Mtc compatibility: a function or altstep referring to component type "A" in its mtc clause may be called or
+// started in any context that has a mtc clause of type "B" or a testcase with a runs on clause of type "B" if all the
+// port definitions of "A" have identical definitions in "B". If the type of the mtc is unknown in the calling
+// function, this can lead to runtime errors if the component type "A" is not mtc-compatible with the type of the
+// running mtc. 
+
+module Sem_060303_component_types_004 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p1;
+		port P p2;
+	}
+    
+    type component GeneralCompEx {
+        port P p1;
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp mtc GeneralCompEx {
+		setverdict(pass);
+    }
+
+	testcase TC_Sem_060303_component_types_004() runs on GeneralComp {
+		f_test(); // GeneralCompEx and GeneralComp are mtc compatible
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_Sem_060303_component_types_004());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_005.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_005.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..864189ae703193116abd5af3708fee6ca6cbcaab
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_005.ttcn
@@ -0,0 +1,46 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of system and runs on clause
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+//System compatibility: a function or altstep referring to component type "A" in its system clause may be called
+//or started in any context that has a system clause of type "B" or a test case with a runs on clause of type "B"
+//and no system clause if all the port definitions of "A" have identical definitions in "B". If the type of the
+//system is unknown in the calling function, this can lead to runtime errors if the component type "A" is not
+//system-compatible with the type of the system the current test case was started on.  
+
+module Sem_060303_component_types_005 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p1;
+        port P p2;
+	}
+    
+    type component GeneralCompEx {
+        port P p1;
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralCompEx system GeneralComp {
+		setverdict(pass);
+    }
+
+	testcase TC_Sem_060303_component_types_005() runs on GeneralCompEx {
+		f_test(); // GeneralCompEx and GeneralComp are system compatible
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_Sem_060303_component_types_005());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_006.ttcn b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_006.ttcn
new file mode 100644
index 0000000000000000000000000000000000000000..a701ad918a1215e242518c4bc4a75e1007008c8c
--- /dev/null
+++ b/conformance_test/core_language_tests/positive_tests/06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_006.ttcn
@@ -0,0 +1,46 @@
+/******************************************************************************
+ * Copyright (C) 2017 ETSI  All Rights Reserved.
+ *
+ * Adrien Kirjak
+ *
+ ** @version  0.0.1
+ ** @purpose  1:6.3.3, Ensure that the IUT correctly handles component compatibility of different system clauses
+ ** @verdict  pass reject
+ ***************************************************/
+
+// The following requirements are tested:
+//System compatibility: a function or altstep referring to component type "A" in its system clause may be called
+//or started in any context that has a system clause of type "B" or a test case with a runs on clause of type "B"
+//and no system clause if all the port definitions of "A" have identical definitions in "B". If the type of the
+//system is unknown in the calling function, this can lead to runtime errors if the component type "A" is not
+//system-compatible with the type of the system the current test case was started on.  
+
+module Sem_060303_component_types_006 { 
+
+	type port P message {
+		inout integer;
+	} with {extension "internal"}
+
+	type component GeneralComp {
+		port P p1;
+        port P p2;
+	}
+    
+    type component GeneralCompEx {
+        port P p1;
+        port P p2;
+    }
+    
+    function f_test() runs on GeneralComp system GeneralComp {
+		setverdict(pass);
+    }
+
+	testcase TC_Sem_060303_component_types_006() runs on GeneralComp system GeneralCompEx{
+		f_test(); // GeneralCompEx and GeneralComp are system compatible
+		setverdict(pass);
+	}
+	
+	control{
+	    execute(TC_Sem_060303_component_types_006());
+	}
+}
diff --git a/conformance_test/core_language_tests/positive_tests/08_modules/0802_module_definitions_part/080203_importing_from_modules/08020301_general_format_of_import/NegSem_08020301_GeneralFormatOfImport_022.ttcn b/conformance_test/core_language_tests/positive_tests/08_modules/0802_module_definitions_part/080203_importing_from_modules/08020301_general_format_of_import/NegSem_08020301_GeneralFormatOfImport_022.ttcn
index e6901b315c8e77419921c4ec408314f350b73c52..ca968aaa77f619c1d89d28fc062ec3d5906c4bed 100644
--- a/conformance_test/core_language_tests/positive_tests/08_modules/0802_module_definitions_part/080203_importing_from_modules/08020301_general_format_of_import/NegSem_08020301_GeneralFormatOfImport_022.ttcn
+++ b/conformance_test/core_language_tests/positive_tests/08_modules/0802_module_definitions_part/080203_importing_from_modules/08020301_general_format_of_import/NegSem_08020301_GeneralFormatOfImport_022.ttcn
@@ -19,6 +19,7 @@
 module NegSem_08020301_GeneralFormatOfImport_022 {
 	import from NegSem_08020301_GeneralFormatOfImport_022_import { template m_test };
 	// PX_TEST should be undefined, because it is not automatically imported
+
 	const integer c_test := PX_TEST;
 
 	type component GeneralComp {}
diff --git a/conformance_test/core_language_tests/positive_tests/pos_conf_tests.cfg b/conformance_test/core_language_tests/positive_tests/pos_conf_tests.cfg
index 668250868e86e1536d7680f1a48831741ae4cfba..fd672910feb014fb46aff9b99ee1e903efdbb403 100644
--- a/conformance_test/core_language_tests/positive_tests/pos_conf_tests.cfg
+++ b/conformance_test/core_language_tests/positive_tests/pos_conf_tests.cfg
@@ -491,6 +491,9 @@ Sem_060302_structured_types_004.control
 Sem_060302_structured_types_005.control
 Sem_060303_component_types_001.control
 Sem_060303_component_types_002.control
+Sem_060303_component_types_004.control
+Sem_060303_component_types_005.control
+Sem_060303_component_types_006.control
 Sem_070101_ArithmeticOperators_001.control
 Sem_070101_ArithmeticOperators_002.control
 Sem_070101_ArithmeticOperators_003.control
diff --git a/conformance_test/core_language_tests/positive_tests/pos_conf_tests.tpd b/conformance_test/core_language_tests/positive_tests/pos_conf_tests.tpd
index 8e39d48deaf416ab77daa622d2a1fecf9b6a586e..1d7c49934eb5772e3dea3c922402a8eaf56c52be 100644
--- a/conformance_test/core_language_tests/positive_tests/pos_conf_tests.tpd
+++ b/conformance_test/core_language_tests/positive_tests/pos_conf_tests.tpd
@@ -1289,8 +1289,17 @@
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+<!--	<FileResource projectRelativePath="06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_003.ttcn" relativeURI="06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_003.ttcn"/>-->
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+	<FileResource projectRelativePath="06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_005.ttcn" relativeURI="06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_005.ttcn"/>
+	<FileResource projectRelativePath="06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_006.ttcn" relativeURI="06_types_and_values/0603_type_compatibility/060303_component_types/Sem_060303_component_types_006.ttcn"/>
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diff --git a/usrguide/SoC_TITAN.docx b/usrguide/SoC_TITAN.docx
index 1423220ee4697ceaca1032949d7928dc701d9dcc..d70672a68df079ae53133a2d1809c7fb84be2d5e 100644
Binary files a/usrguide/SoC_TITAN.docx and b/usrguide/SoC_TITAN.docx differ