diff --git a/test-cases/README.md b/test-cases/README.md
index b7da408..982b909 100644
--- a/test-cases/README.md
+++ b/test-cases/README.md
@@ -46,6 +46,8 @@ Some test cases are under discussion, proposed alternatives are noted via a suff
 | 0004b  | Function on predicate, 1 parameter (replaces 0004)              | Tests if a function can be used on a predicate                                                                                | CSV         |      FALSE      | student.csv       |
 | 0005   | Function on subject, 1 parameter                                | Tests if a function can be used on a subject                                                                                  | CSV         |      FALSE      | student.csv       |
 | 0005   | Function on subject, default termType                           | Tests if the default termType assigned to the output of the function to be correct                                            |             |                 |                   |
+| 0005b  | Function on subject, default termType (replaces 0005)           | Tests if the default termType assigned to the output of the function to be correct                                            |             |                 |                   |
 | 0006   | Function on object, the output termType is IRI                  | Tests if the output of the function is assigned the correct termType                                                          |             |                 |                   |
+| 0006b  | Function on object, the output termType is IRI (replaces 0006)  | Tests if the output of the function is assigned the correct termType                                                          |             |                 |                   |
 | 0008   | Function on object, 1 template parameter                        | Tests if a function with a template parameter can be used                                                                     | CSV         |      FALSE      | student.csv       |
 | 0009   | Nested function - Test A                                        | Tests if a composite function of form f(g(x1),x2) works (i.e., the inner function is only one argument of the outer function) | CSV         |      FALSE      | student.csv       |
\ No newline at end of file
diff --git a/test-cases/RMLFNOTC0006b-CSV/mapping.ttl b/test-cases/RMLFNOTC0006b-CSV/mapping.ttl
new file mode 100644
index 0000000..e599e66
--- /dev/null
+++ b/test-cases/RMLFNOTC0006b-CSV/mapping.ttl
@@ -0,0 +1,40 @@
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix ex: <http://example.com/> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix rml: <http://w3id.org/rml/> .
+@prefix fno: <https://w3id.org/function/ontology#> .
+@prefix fns: <http://example.com/functions/> .
+@prefix morph-kgc: <https://github.com/morph-kgc/morph-kgc/function/built-in.ttl#> .
+@prefix grel: <http://users.ugent.be/~bjdmeest/function/grel.ttl#> .
+@prefix idlab-fn: <http://example.com/idlab/function/> .
+
+@base <http://example.com/base/> .
+
+<TriplesMap1>
+    rml:logicalSource [
+        rml:source [ a rml:RelativePathSource;
+          rml:root rml:MappingDirectory;
+          rml:path "student.csv"
+        ];
+        rml:referenceFormulation rml:CSV
+    ];
+    rml:subjectMap [
+        rml:template "http://example.com/{Name}"
+    ];
+    rml:predicateObjectMap [
+        rml:predicate foaf:name;
+        rml:objectMap [
+            rml:functionExecution <#Execution> ;
+            rml:termType rml:IRI
+        ];
+    ] .
+
+<#Execution>
+    rml:function fns:schema ;
+    rml:input
+        [
+            rml:parameter fns:stringParameter ;
+            rml:inputValueMap [
+                rml:reference "Name"
+            ];
+        ] .
diff --git a/test-cases/RMLFNOTC0006b-CSV/output.nq b/test-cases/RMLFNOTC0006b-CSV/output.nq
new file mode 100644
index 0000000..c8c94db
--- /dev/null
+++ b/test-cases/RMLFNOTC0006b-CSV/output.nq
@@ -0,0 +1 @@
+<http://example.com/Venus> <http://xmlns.com/foaf/0.1/name> <https://schema.org/Venus> .
diff --git a/test-cases/RMLFNOTC0006b-CSV/student.csv b/test-cases/RMLFNOTC0006b-CSV/student.csv
new file mode 100644
index 0000000..5c20b3c
--- /dev/null
+++ b/test-cases/RMLFNOTC0006b-CSV/student.csv
@@ -0,0 +1,2 @@
+Id,Name,Comment,Class,url
+1,Venus,A&B,A,http://example.com/venus