diff --git a/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/coercing.kt b/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/coercing.kt
index 1f4c89147..3300bb231 100644
--- a/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/coercing.kt
+++ b/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/coercing.kt
@@ -275,31 +275,31 @@ fun coerce(value: Value, type: Type): Value {
 }
 
 fun Type.lowValue(): Value {
-    when (this) {
-        is NumberType -> {
-            return computeLowValue(this)
-        }
-        is StringType -> {
-            return computeLowValue(this)
-        }
-        is ArrayType -> {
-            return createArrayValue(this.element, this.nElements) { coerce(LowValValue, this.element) }
+    return when (this) {
+        is NumberType -> computeLowValue(this)
+        is StringType -> computeLowValue(this)
+        is ArrayType -> createArrayValue(this.element, this.nElements) { coerce(LowValValue, this.element) }
+        is DataStructureType -> {
+            val fields = this.fields.associateWith { field -> field.type.lowValue() }
+            DataStructValue.fromFields(fields)
         }
+        is BooleanType -> BooleanValue.FALSE
+        is RecordFormatType -> BlanksValue
         else -> TODO("Converting LowValValue to $this")
     }
 }
 
 fun Type.hiValue(): Value {
-    when (this) {
-        is NumberType -> {
-            return computeHiValue(this)
-        }
-        is StringType -> {
-            return computeHiValue(this)
-        }
-        is ArrayType -> {
-            return createArrayValue(this.element, this.nElements) { coerce(HiValValue, this.element) }
+    return when (this) {
+        is NumberType -> computeHiValue(this)
+        is StringType -> computeHiValue(this)
+        is ArrayType -> createArrayValue(this.element, this.nElements) { coerce(HiValValue, this.element) }
+        is DataStructureType -> {
+            val fields = this.fields.associateWith { field -> field.type.hiValue() }
+            DataStructValue.fromFields(fields)
         }
+        is BooleanType -> BooleanValue.TRUE
+        is RecordFormatType -> BlanksValue
         else -> TODO("Converting HiValValue to $this")
     }
 }
diff --git a/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/data_definitions.kt b/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/data_definitions.kt
index b70b73f47..e0feb4727 100644
--- a/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/data_definitions.kt
+++ b/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/data_definitions.kt
@@ -321,6 +321,13 @@ fun Type.toDataStructureValue(value: Value): StringValue {
                 return StringValue("1")
             return StringValue("0")
         }
+        is DataStructureType -> {
+            return when (value) {
+                is DataStructValue -> value.asString()
+                else -> TODO("Not implemented")
+            }
+        }
+        is RecordFormatType -> return StringValue.blank(this.size)
         else -> TODO("Conversion to data struct value not implemented for $this")
     }
 }
diff --git a/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/values.kt b/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/values.kt
index 15c5fa9a1..47f294b6f 100644
--- a/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/values.kt
+++ b/rpgJavaInterpreter-core/src/main/kotlin/com/smeup/rpgparser/interpreter/values.kt
@@ -1042,6 +1042,14 @@ data class DataStructValue(var value: String, private val optionalExternalLen: I
             }
             return newInstance
         }
+
+        internal fun fromFields(fields: Map<FieldType, Value>): DataStructValue {
+            val size = fields.entries.fold(0) { acc, entry -> acc + entry.key.type.size }
+            val newInstance = blank(size)
+            val fieldDefinitions = fields.map { it.key }.toFieldDefinitions()
+            fields.onEachIndexed { index, entry -> newInstance.set(fieldDefinitions[index], entry.value) }
+            return newInstance
+        }
     }
 
     override fun toString(): String {
@@ -1196,4 +1204,20 @@ data class OccurableDataStructValue(val occurs: Int) : Value {
             this.values.putAll(values.mapValues { it.value.copy() })
         }
     }
+}
+
+internal fun List<FieldType>.toFieldDefinitions(): List<FieldDefinition> {
+    var start = 0
+    val definitions = this.map {
+        val newOffset = start + it.type.size
+        val fieldDef = FieldDefinition(
+            name = it.name,
+            type = it.type,
+            calculatedStartOffset = start,
+            calculatedEndOffset = start + newOffset
+        )
+        start = newOffset
+        fieldDef
+    }
+    return definitions
 }
\ No newline at end of file
diff --git a/rpgJavaInterpreter-core/src/test/kotlin/com/smeup/rpgparser/smeup/MULANGT02ConstAndDSpecTest.kt b/rpgJavaInterpreter-core/src/test/kotlin/com/smeup/rpgparser/smeup/MULANGT02ConstAndDSpecTest.kt
index cf0d48e7e..e208727d4 100644
--- a/rpgJavaInterpreter-core/src/test/kotlin/com/smeup/rpgparser/smeup/MULANGT02ConstAndDSpecTest.kt
+++ b/rpgJavaInterpreter-core/src/test/kotlin/com/smeup/rpgparser/smeup/MULANGT02ConstAndDSpecTest.kt
@@ -402,4 +402,24 @@ open class MULANGT02ConstAndDSpecTest : MULANGTTest() {
         val expected = listOf("ok")
         assertEquals(expected, "smeup/MUDRNRAPU00225".outputOf(configuration = smeupConfig))
     }
+
+    /**
+     * Comptime DS with EXTNAME resolution and data structures INZ(*HIVAL)
+     * @see #LS24003257
+     */
+    @Test
+    fun executeMUDRNRAPU00226() {
+        val expected = listOf("ok")
+        assertEquals(expected, "smeup/MUDRNRAPU00226".outputOf(configuration = smeupConfig))
+    }
+
+    /**
+     * Data structures INZ(*HIVAL) values test
+     * @see #LS24003257
+     */
+    @Test
+    fun executeMUDRNRAPU00227() {
+        val expected = listOf("9991\uFFFF\uFFFF99999")
+        assertEquals(expected, "smeup/MUDRNRAPU00227".outputOf(configuration = smeupConfig))
+    }
 }
\ No newline at end of file
diff --git a/rpgJavaInterpreter-core/src/test/resources/smeup/MUDRNRAPU00226.rpgle b/rpgJavaInterpreter-core/src/test/resources/smeup/MUDRNRAPU00226.rpgle
new file mode 100644
index 000000000..8ff46e925
--- /dev/null
+++ b/rpgJavaInterpreter-core/src/test/resources/smeup/MUDRNRAPU00226.rpgle
@@ -0,0 +1,14 @@
+     D £DBG_Str        S             2
+     D B£SLOT        E DS                  EXTNAME(B£SLOT0F) INZ
+
+     D CSDS            DS
+     D  CSNR                          5S 0
+
+     D CSLOTS          S                   LIKE(B£SLOT) DIM(200) INZ(*HIVAL)
+     D CSLOTADS        DS
+
+     D CSLOTA                              LIKE(CSDS) INZ(*HIVAL)
+     D                                     DIM(%ELEM(CSLOTS)) ASCEND
+
+     C                   EVAL      £DBG_Str='ok'
+     C     £DBG_Str      DSPLY
\ No newline at end of file
diff --git a/rpgJavaInterpreter-core/src/test/resources/smeup/MUDRNRAPU00227.rpgle b/rpgJavaInterpreter-core/src/test/resources/smeup/MUDRNRAPU00227.rpgle
new file mode 100644
index 000000000..951ded1ce
--- /dev/null
+++ b/rpgJavaInterpreter-core/src/test/resources/smeup/MUDRNRAPU00227.rpgle
@@ -0,0 +1,9 @@
+     D £DBG_Str        S             2
+     D CSDS            DS
+     D  NUM                           3S 0
+     D  BOOL                           N 0
+     D  STR                                LIKE(£DBG_Str)
+     D  NUM2                          5S 0
+
+     D OUT             S                   LIKE(CSDS) INZ(*HIVAL)
+     C     OUT           DSPLY
\ No newline at end of file