diff --git a/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function-test-01.xml b/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function-test-01.xml
index dda50d061..92071ecd1 100644
--- a/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function-test-01.xml
+++ b/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function-test-01.xml
@@ -56,6 +56,8 @@
         </resultNode>
     </testCase>
 
+    <!-- commented out pending RTF.  https://github.com/dmn-tck/tck/pull/592#issuecomment-1769761733 -->
+<!--
     <testCase id="006">
         <description>Missing scale param gives null</description>
         <resultNode errorResult="true" name="decision006" type="decision">
@@ -64,6 +66,7 @@
             </expected>
         </resultNode>
     </testCase>
+-->
 
     <testCase id="007">
         <description>null number gives null</description>
diff --git a/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function.dmn b/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function.dmn
index b41105abd..f1b8c1ee8 100644
--- a/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function.dmn
+++ b/TestCases/compliance-level-3/1143-feel-round-half-up-function/1143-feel-round-half-up-function.dmn
@@ -44,12 +44,15 @@
         </literalExpression>
     </decision>
 
+    <!-- commented out pending RTF.  https://github.com/dmn-tck/tck/pull/592#issuecomment-1769761733 -->
+<!--
     <decision name="decision006" id="_decision006">
         <variable name="decision006"/>
         <literalExpression>
             <text>round half up(1234)</text>
         </literalExpression>
     </decision>
+-->
 
     <decision name="decision007" id="_decision007">
         <variable name="decision007"/>