diff --git a/vclib/src/commonMain/kotlin/at/asitplus/wallet/lib/iso/DeviceRequest.kt b/vclib/src/commonMain/kotlin/at/asitplus/wallet/lib/iso/DeviceRequest.kt
index 6794e9316..2669fbb58 100644
--- a/vclib/src/commonMain/kotlin/at/asitplus/wallet/lib/iso/DeviceRequest.kt
+++ b/vclib/src/commonMain/kotlin/at/asitplus/wallet/lib/iso/DeviceRequest.kt
@@ -6,6 +6,7 @@ import at.asitplus.wallet.lib.cbor.CoseSigned
 import at.asitplus.wallet.lib.iso.IsoDataModelConstants.NAMESPACE_MDL
 import io.github.aakira.napier.Napier
 import io.matthewnelson.component.encoding.base16.encodeBase16
+import kotlinx.datetime.LocalDate
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.SerialName
@@ -414,11 +415,20 @@ data class IssuerSignedItem(
 @Serializable(with = ElementValueSerializer::class)
 data class ElementValue(
     val bytes: ByteArray? = null,
+    @ValueTags(1004u)
+    val date: LocalDate? = null,
     val string: String? = null,
     val drivingPrivilege: List<DrivingPrivilege>? = null,
 ) {
     fun serialize() = cborSerializer.encodeToByteArray(this)
 
+    override fun toString(): String {
+        return "ElementValue(bytes=${bytes?.encodeBase16()}," +
+                " date=${date}," +
+                " string=$string," +
+                " drivingPrivilege=$drivingPrivilege)"
+    }
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other == null || this::class != other::class) return false
@@ -429,21 +439,19 @@ data class ElementValue(
             if (other.bytes == null) return false
             if (!bytes.contentEquals(other.bytes)) return false
         } else if (other.bytes != null) return false
+        if (date != other.date) return false
         if (string != other.string) return false
         return drivingPrivilege == other.drivingPrivilege
     }
 
     override fun hashCode(): Int {
         var result = bytes?.contentHashCode() ?: 0
+        result = 31 * result + (date?.hashCode() ?: 0)
         result = 31 * result + (string?.hashCode() ?: 0)
         result = 31 * result + (drivingPrivilege?.hashCode() ?: 0)
         return result
     }
 
-    override fun toString(): String {
-        return "ElementValue(bytes=${bytes?.encodeBase16()}, string=$string, drivingPrivilege=$drivingPrivilege)"
-    }
-
     companion object {
         fun deserialize(it: ByteArray) = kotlin.runCatching {
             cborSerializer.decodeFromByteArray<ElementValue>(it)
@@ -551,6 +559,9 @@ object ElementValueSerializer : KSerializer<ElementValue> {
     override fun serialize(encoder: Encoder, value: ElementValue) {
         value.bytes?.let {
             encoder.encodeSerializableValue(ByteArraySerializer(), it)
+        } ?: value.date?.let {
+            // TODO write tag 1004
+            encoder.encodeSerializableValue(LocalDate.serializer(), it)
         } ?: value.string?.let {
             encoder.encodeString(it)
         } ?: value.drivingPrivilege?.let {
@@ -562,14 +573,21 @@ object ElementValueSerializer : KSerializer<ElementValue> {
         runCatching {
             return ElementValue(bytes = decoder.decodeSerializableValue(ByteArraySerializer()))
         }
-        runCatching {
-            return ElementValue(string = decoder.decodeString())
-        }
         runCatching {
             return ElementValue(
                 drivingPrivilege = decoder.decodeSerializableValue(ListSerializer(DrivingPrivilege.serializer()))
             )
         }
+        runCatching {
+            val string = decoder.decodeString()
+            runCatching {
+                LocalDate.parse(string)
+            }.onSuccess {
+                return ElementValue(date = it)
+            }.onFailure {
+                return ElementValue(string = string)
+            }
+        }
         throw IllegalArgumentException("Could not decode instance of ElementValue")
     }
 
diff --git a/vclib/src/commonTest/kotlin/at/asitplus/wallet/lib/iso/CborSerializationTest.kt b/vclib/src/commonTest/kotlin/at/asitplus/wallet/lib/iso/CborSerializationTest.kt
index 4255d35f3..a1658eccb 100644
--- a/vclib/src/commonTest/kotlin/at/asitplus/wallet/lib/iso/CborSerializationTest.kt
+++ b/vclib/src/commonTest/kotlin/at/asitplus/wallet/lib/iso/CborSerializationTest.kt
@@ -341,9 +341,9 @@ class CborSerializationTest : FreeSpec({
         issuerSignedList.findItem(0U).elementIdentifier shouldBe FAMILY_NAME
         issuerSignedList.findItem(0U).elementValue.string shouldBe "Doe"
         issuerSignedList.findItem(3U).elementIdentifier shouldBe ISSUE_DATE
-        issuerSignedList.findItem(3U).elementValue.string shouldBe "2019-10-20"
+        issuerSignedList.findItem(3U).elementValue.date shouldBe LocalDate.parse("2019-10-20")
         issuerSignedList.findItem(4U).elementIdentifier shouldBe EXPIRY_DATE
-        issuerSignedList.findItem(4U).elementValue.string shouldBe "2024-10-20"
+        issuerSignedList.findItem(4U).elementValue.date shouldBe LocalDate.parse("2024-10-20")
         issuerSignedList.findItem(7U).elementIdentifier shouldBe DOCUMENT_NUMBER
         issuerSignedList.findItem(7U).elementValue.string shouldBe "123456789"
         issuerSignedList.findItem(8U).elementIdentifier shouldBe PORTRAIT
@@ -384,7 +384,7 @@ class CborSerializationTest : FreeSpec({
 
         document.deviceSigned.deviceAuth.deviceMac.shouldNotBeNull()
 
-        // TODO valuedigests need tag 24 -> 0xd818
+        // TODO dates in ElementValue need tags 1004u => 0xD903EC
         deviceResponse.serialize().encodeBase16() shouldBe input
     }