diff --git a/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/ByHandMixins.scala b/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/ByHandMixins.scala
index a4ec9f80aa..165d48a4eb 100644
--- a/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/ByHandMixins.scala
+++ b/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/ByHandMixins.scala
@@ -451,7 +451,7 @@ trait TextStandardExponentRepMixin extends PropertyMixin {
 
   lazy val textStandardExponentRep: Found = {
     val tsec = getPropertyOption("textStandardExponentCharacter")
-    val tser = getPropertyOption("textStandardExponentRep")
+    val tser = getPropertyOption("textStandardExponentRep", expressionAllowed = true)
     (tsec, tser) match {
       case (Some(tsecStr), Some(tserStr)) => {
         SDW(
diff --git a/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/PropertyScoping.scala b/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/PropertyScoping.scala
index dd1aa9d4fb..dddab9950a 100644
--- a/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/PropertyScoping.scala
+++ b/daffodil-lib/src/main/scala/org/apache/daffodil/lib/schema/annotation/props/PropertyScoping.scala
@@ -265,8 +265,11 @@ trait FindPropertyMixin extends PropTypes {
    *
    * See JIRA DFDL-506.
    */
-  final def getPropertyOption(pname: String): Option[String] = {
-    val lookupRes = findPropertyOption(pname)
+  final def getPropertyOption(
+    pname: String,
+    expressionAllowed: Boolean = false
+  ): Option[String] = {
+    val lookupRes = findPropertyOption(pname, expressionAllowed)
     val res = lookupRes match {
       case Found(v, _, _, _) => Some(v)
       case _ => None
diff --git a/daffodil-propgen/src/main/scala/org/apache/daffodil/propGen/PropertyGenerator.scala b/daffodil-propgen/src/main/scala/org/apache/daffodil/propGen/PropertyGenerator.scala
index 69af3c4e3f..695c9ab3db 100644
--- a/daffodil-propgen/src/main/scala/org/apache/daffodil/propGen/PropertyGenerator.scala
+++ b/daffodil-propgen/src/main/scala/org/apache/daffodil/propGen/PropertyGenerator.scala
@@ -275,7 +275,15 @@ class PropertyGenerator(arg: Node) {
           "separatorSuppressionPolicy",
           "textOutputMinLength",
           "textStandardExponentCharacter",
-          "textStandardExponentRep"
+          "textStandardExponentRep",
+          "textStandardInfinityRep",
+          "textStandardNaNRep",
+          "textStandardZeroRep",
+          "nilValue",
+          "textStringPadCharacter",
+          "textNumberPadCharacter",
+          "textBooleanPadCharacter",
+          "textCalendarPadCharacter"
         )
       val exclusions =
         notFormatProperties ++ notScopedFormatProperties ++ excludedBecauseDoneByHand
@@ -454,14 +462,6 @@ trait CurrencyMixin extends PropertyMixin {
       "occursCount",
       "inputValueCalc",
       "outputValueCalc",
-      "textStandardInfinityRep",
-      "textStandardNaNRep",
-      "textStandardZeroRep",
-      "nilValue",
-      "textStringPadCharacter",
-      "textNumberPadCharacter",
-      "textBooleanPadCharacter",
-      "textCalendarPadCharacter",
       "calendarLanguage",
       "choiceDispatchKey"
     )
@@ -642,12 +642,16 @@ object Currency {
    */
   def generateNonEnumStringPropInit(propName: String) = {
     val template =
-      """registerToStringFunction(()=>{getPropertyOption("currency") match {
+      """registerToStringFunction(()=>{getPropertyOption("currency", expressionAllowed) match {
         case None => ""
         case Some(value) => "currency='" + value.toString + "'"
       }
     })"""
-    val res = template.replaceAll("currency", propName)
+    val expressionAllowStr = excludeRuntimeProperties(propName).toString
+    val res =
+      template
+        .replaceAll("currency", propName)
+        .replaceAll("expressionAllowed", expressionAllowStr)
     res
   }
 
diff --git a/daffodil-propgen/src/test/scala/org/apache/daffodil/propGen/TestPropertyGenerator.scala b/daffodil-propgen/src/test/scala/org/apache/daffodil/propGen/TestPropertyGenerator.scala
index 352ebed09c..bea0e4faf9 100644
--- a/daffodil-propgen/src/test/scala/org/apache/daffodil/propGen/TestPropertyGenerator.scala
+++ b/daffodil-propgen/src/test/scala/org/apache/daffodil/propGen/TestPropertyGenerator.scala
@@ -69,11 +69,13 @@ class TestPropertyGenerator {
     assertTrue(mx.contains("""LengthKindMixin"""))
     assertTrue(mx.contains("""def lengthPropertiesAGInit(): Unit = {"""))
     assertTrue(
-      mx.contains("""registerToStringFunction(()=>{getPropertyOption("lengthPattern") match {
+      mx.contains(
+        """registerToStringFunction(()=>{getPropertyOption("lengthPattern", false) match {
         case None => ""
         case Some(value) => "lengthPattern='" + value.toString + "'"
       }
-    })""")
+    })"""
+      )
     )
   }
 
diff --git a/daffodil-test/src/test/resources/org/apache/daffodil/section13/text_number_props/TextNumberProps.tdml b/daffodil-test/src/test/resources/org/apache/daffodil/section13/text_number_props/TextNumberProps.tdml
index 69f99fa317..8093dcfa88 100644
--- a/daffodil-test/src/test/resources/org/apache/daffodil/section13/text_number_props/TextNumberProps.tdml
+++ b/daffodil-test/src/test/resources/org/apache/daffodil/section13/text_number_props/TextNumberProps.tdml
@@ -3711,7 +3711,8 @@
   
   <tdml:parserTestCase name="dynamicExp" root="dynamicExp"
     model="textprops"
-    description="Parse a double with dynamic text number properties" roundTrip="false">
+    description="Parse a double with dynamic text number properties" roundTrip="false"
+    ignoreUnexpectedWarnings="false">
 
     <tdml:document>
       <tdml:documentPart type="text"><![CDATA[_|@|1234567_89@2]]]></tdml:documentPart>
@@ -3797,7 +3798,8 @@
 
   <tdml:parserTestCase name="expCaseInsensitive" root="expCaseInsensitive"
     model="textprops"
-    description="Parse a double with a case insensitive exp" roundTrip="false">
+    description="Parse a double with a case insensitive exp" roundTrip="false"
+    ignoreUnexpectedWarnings="false">
 
     <tdml:document>
       <tdml:documentPart type="text"><![CDATA[1234567.89AbC2]]]></tdml:documentPart>