diff --git a/ports/at91sam7s/device.c b/ports/at91sam7s/device.c
index 3ed3b225..26dc3fed 100644
--- a/ports/at91sam7s/device.c
+++ b/ports/at91sam7s/device.c
@@ -37,6 +37,7 @@
 #include "rs485.h"
 #include "bacnet/version.h"
 #include "bacnet/basic/services.h"
+#include "bacnet/proplist.h"
 /* objects */
 #include "bacnet/basic/object/device.h"
 #include "bacnet/basic/object/ai.h"
@@ -138,6 +139,9 @@ static int Read_Property_Common(
     int apdu_len = BACNET_STATUS_ERROR;
     BACNET_CHARACTER_STRING char_string;
     uint8_t *apdu = NULL;
+#if (BACNET_PROTOCOL_REVISION >= 14)
+    struct special_property_list_t property_list;
+#endif
 
     if ((rpdata->application_data == NULL) ||
         (rpdata->application_data_len == 0)) {
@@ -188,6 +192,19 @@ static int Read_Property_Common(
                     &apdu[0], rpdata->object_type);
             }
             break;
+#if (BACNET_PROTOCOL_REVISION >= 14)
+        case PROP_PROPERTY_LIST:
+            Device_Objects_Property_List(
+                rpdata->object_type,
+                rpdata->object_instance,
+                &property_list);
+            apdu_len = property_list_encode(
+                rpdata,
+                property_list.Required.pList,
+                property_list.Optional.pList,
+                property_list.Proprietary.pList);
+            break;
+#endif
         default:
             if (pObject->Object_Read_Property) {
                 apdu_len = pObject->Object_Read_Property(rpdata);
diff --git a/ports/bdk-atxx4-mstp/Makefile b/ports/bdk-atxx4-mstp/Makefile
index 5933554f..1f3caca6 100644
--- a/ports/bdk-atxx4-mstp/Makefile
+++ b/ports/bdk-atxx4-mstp/Makefile
@@ -130,6 +130,7 @@ CORESRC =  \
 	$(BACNET_CORE)/ihave.c \
 	$(BACNET_CORE)/memcopy.c \
 	$(BACNET_CORE)/npdu.c \
+	$(BACNET_CORE)/proplist.c \
 	$(BACNET_CORE)/rd.c \
 	$(BACNET_CORE)/reject.c \
 	$(BACNET_CORE)/rp.c \
diff --git a/ports/bdk-atxx4-mstp/bacnet.cproj b/ports/bdk-atxx4-mstp/bacnet.cproj
index f3dfd7a2..99e48e43 100644
--- a/ports/bdk-atxx4-mstp/bacnet.cproj
+++ b/ports/bdk-atxx4-mstp/bacnet.cproj
@@ -353,6 +353,10 @@
       <SubType>compile</SubType>
       <Link>BACnet Core\npdu.c</Link>
     </Compile>
+    <Compile Include="..\..\src\bacnet\proplist.c">
+      <SubType>compile</SubType>
+      <Link>BACnet Core\npdu.c</Link>
+    </Compile>
     <Compile Include="..\..\src\bacnet\rd.c">
       <SubType>compile</SubType>
       <Link>BACnet Core\rd.c</Link>
diff --git a/ports/bdk-atxx4-mstp/bacnet.ewp b/ports/bdk-atxx4-mstp/bacnet.ewp
index ae9bde2b..394090e4 100644
--- a/ports/bdk-atxx4-mstp/bacnet.ewp
+++ b/ports/bdk-atxx4-mstp/bacnet.ewp
@@ -2235,6 +2235,9 @@
     <file>
       <name>$PROJ_DIR$\..\..\src\bacnet\npdu.c</name>
     </file>
+    <file>
+      <name>$PROJ_DIR$\..\..\src\bacnet\proplist.c</name>
+    </file>
     <file>
       <name>$PROJ_DIR$\..\..\src\bacnet\rd.c</name>
     </file>
diff --git a/ports/bdk-atxx4-mstp/bacnet.hzp b/ports/bdk-atxx4-mstp/bacnet.hzp
index 6f1f7a1a..0d8cc710 100644
--- a/ports/bdk-atxx4-mstp/bacnet.hzp
+++ b/ports/bdk-atxx4-mstp/bacnet.hzp
@@ -67,6 +67,7 @@
       <file file_name="../../src/bacnet/ihave.c"/>
       <file file_name="../../src/bacnet/memcopy.c"/>
       <file file_name="../../src/bacnet/npdu.c"/>
+      <file file_name="../../src/bacnet/proplist.c"/>
       <file file_name="../../src/bacnet/rd.c"/>
       <file file_name="../../src/bacnet/reject.c"/>
       <file file_name="../../src/bacnet/rp.c"/>
diff --git a/ports/bdk-atxx4-mstp/device.c b/ports/bdk-atxx4-mstp/device.c
index 84a269d9..3de366f6 100644
--- a/ports/bdk-atxx4-mstp/device.c
+++ b/ports/bdk-atxx4-mstp/device.c
@@ -39,6 +39,7 @@
 #include "stack.h"
 #include "bacnet/basic/services.h"
 #include "bname.h"
+#include "bacnet/proplist.h"
 /* objects */
 #include "bacnet/basic/object/device.h"
 #include "bacnet/basic/object/ai.h"
@@ -136,7 +137,9 @@ int Device_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
 {
     int apdu_len = BACNET_STATUS_ERROR;
     struct my_object_functions *pObject = NULL;
-
+#if (BACNET_PROTOCOL_REVISION >= 14)
+    struct special_property_list_t property_list;
+#endif
     /* initialize the default return values */
     rpdata->error_class = ERROR_CLASS_OBJECT;
     rpdata->error_code = ERROR_CODE_UNKNOWN_OBJECT;
@@ -145,7 +148,20 @@ int Device_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
         if (pObject->Object_Valid_Instance &&
             pObject->Object_Valid_Instance(rpdata->object_instance)) {
             if (pObject->Object_Read_Property) {
-                apdu_len = pObject->Object_Read_Property(rpdata);
+#if (BACNET_PROTOCOL_REVISION >= 14)
+                if ((int)rpdata->object_property == PROP_PROPERTY_LIST) {
+                    Device_Objects_Property_List(rpdata->object_type,
+			rpdata->object_instance,
+                        &property_list);
+                    apdu_len = property_list_encode(rpdata,
+                        property_list.Required.pList,
+                        property_list.Optional.pList,
+                        property_list.Proprietary.pList);
+                } else
+#endif
+                {
+                    apdu_len = pObject->Object_Read_Property(rpdata);
+                }
             }
         }
     }
diff --git a/ports/rx62n/device.c b/ports/rx62n/device.c
index 9f19b4b5..7a32c954 100644
--- a/ports/rx62n/device.c
+++ b/ports/rx62n/device.c
@@ -41,6 +41,7 @@
 #include "bacnet/basic/services.h"
 #include "bacnet/datalink/datalink.h"
 #include "bacnet/basic/binding/address.h"
+#include "bacnet/proplist.h"
 /* os specfic includes */
 #include "bacnet/basic/sys/mstimer.h"
 /* objects */
@@ -129,6 +130,9 @@ static int Read_Property_Common(
     BACNET_CHARACTER_STRING char_string;
     char *pString = "";
     uint8_t *apdu = NULL;
+#if (BACNET_PROTOCOL_REVISION >= 14)
+    struct special_property_list_t property_list;
+#endif
 
     if ((rpdata->application_data == NULL) ||
         (rpdata->application_data_len == 0)) {
@@ -157,6 +161,19 @@ static int Read_Property_Common(
             apdu_len =
                 encode_application_enumerated(&apdu[0], rpdata->object_type);
             break;
+#if (BACNET_PROTOCOL_REVISION >= 14)
+        case PROP_PROPERTY_LIST:
+            Device_Objects_Property_List(
+                rpdata->object_type,
+                rpdata->object_instance,
+                &property_list);
+            apdu_len = property_list_encode(
+                rpdata,
+                property_list.Required.pList,
+                property_list.Optional.pList,
+                property_list.Proprietary.pList);
+            break;
+#endif
         default:
             if (pObject->Object_Read_Property) {
                 apdu_len = pObject->Object_Read_Property(rpdata);
diff --git a/ports/stm32f10x/bacnet.ewp b/ports/stm32f10x/bacnet.ewp
index d2c3ff5e..eb684b8b 100644
--- a/ports/stm32f10x/bacnet.ewp
+++ b/ports/stm32f10x/bacnet.ewp
@@ -1101,6 +1101,9 @@
         <file>
             <name>$PROJ_DIR$\..\..\src\bacnet\proplist.c</name>
         </file>
+        <file>
+            <name>$PROJ_DIR$\..\..\src\bacnet\proplist.c</name>
+        </file>
         <file>
             <name>$PROJ_DIR$\..\..\src\bacnet\rd.c</name>
         </file>
diff --git a/ports/stm32f10x/device.c b/ports/stm32f10x/device.c
index a02de167..8afd246a 100644
--- a/ports/stm32f10x/device.c
+++ b/ports/stm32f10x/device.c
@@ -37,6 +37,7 @@
 #include "rs485.h"
 #include "bacnet/version.h"
 #include "bacnet/basic/services.h"
+#include "bacnet/proplist.h"
 /* objects */
 #include "bacnet/basic/object/device.h"
 #include "bacnet/basic/object/bo.h"
@@ -118,6 +119,9 @@ static int Read_Property_Common(
     int apdu_len = BACNET_STATUS_ERROR;
     BACNET_CHARACTER_STRING char_string;
     uint8_t *apdu = NULL;
+#if (BACNET_PROTOCOL_REVISION >= 14)
+    struct special_property_list_t property_list;
+#endif
 
     if ((rpdata->application_data == NULL) ||
         (rpdata->application_data_len == 0)) {
@@ -168,6 +172,19 @@ static int Read_Property_Common(
                     &apdu[0], rpdata->object_type);
             }
             break;
+#if (BACNET_PROTOCOL_REVISION >= 14)
+        case PROP_PROPERTY_LIST:
+            Device_Objects_Property_List(
+                rpdata->object_type,
+                rpdata->object_instance,
+                &property_list);
+            apdu_len = property_list_encode(
+                rpdata,
+                property_list.Required.pList,
+                property_list.Optional.pList,
+                property_list.Proprietary.pList);
+            break;
+#endif
         default:
             if (pObject->Object_Read_Property) {
                 apdu_len = pObject->Object_Read_Property(rpdata);
@@ -319,7 +336,8 @@ bool Device_Set_Object_Name(BACNET_CHARACTER_STRING *object_name)
     return status;
 }
 
-bool Device_Reinitialize(BACNET_REINITIALIZE_DEVICE_DATA *rd_data)
+bool Device_Reinitialize(
+    BACNET_REINITIALIZE_DEVICE_DATA * rd_data)
 {
     bool status = false;
 
diff --git a/src/bacnet/basic/object/client/device-client.c b/src/bacnet/basic/object/client/device-client.c
index 47dde0a0..d4ca1c4b 100644
--- a/src/bacnet/basic/object/client/device-client.c
+++ b/src/bacnet/basic/object/client/device-client.c
@@ -47,6 +47,7 @@
 #include "bacnet/basic/services.h"
 #include "bacnet/datalink/datalink.h"
 #include "bacnet/basic/binding/address.h"
+#include "bacnet/proplist.h"
 #if (BACNET_PROTOCOL_REVISION >= 17)
 #include "bacnet/basic/object/netport.h"
 #endif
@@ -114,7 +115,7 @@ static object_functions_t Object_Table[] = {
         Device_Count, Device_Index_To_Instance,
         Device_Valid_Object_Instance_Number, Device_Object_Name,
         Device_Read_Property_Local, NULL /* Write_Property */,
-        NULL /* Property_Lists */, NULL /* ReadRangeInfo */,
+        Device_Property_Lists, NULL /* ReadRangeInfo */,
         NULL /* Iterator */, NULL /* Value_Lists */, NULL /* COV */,
         NULL /* COV Clear */, NULL /* Intrinsic Reporting */ },
 #if (BACNET_PROTOCOL_REVISION >= 17)
@@ -1004,6 +1005,9 @@ int Device_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
 {
     int apdu_len = BACNET_STATUS_ERROR;
     struct object_functions *pObject = NULL;
+#if (BACNET_PROTOCOL_REVISION >= 14)
+    struct special_property_list_t property_list;
+#endif
 
     /* initialize the default return values */
     rpdata->error_class = ERROR_CLASS_OBJECT;
@@ -1013,7 +1017,19 @@ int Device_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
         if (pObject->Object_Valid_Instance &&
             pObject->Object_Valid_Instance(rpdata->object_instance)) {
             if (pObject->Object_Read_Property) {
-                apdu_len = pObject->Object_Read_Property(rpdata);
+#if (BACNET_PROTOCOL_REVISION >= 14)
+                if ((int)rpdata->object_property == PROP_PROPERTY_LIST) {
+                    Device_Objects_Property_List(rpdata->object_type,
+                        rpdata->object_instance, &property_list);
+                    apdu_len = property_list_encode(rpdata,
+                        property_list.Required.pList,
+                        property_list.Optional.pList,
+                        property_list.Proprietary.pList);
+                } else
+#endif
+                {
+                    apdu_len = pObject->Object_Read_Property(rpdata);
+                }
             }
         } else {
             rpdata->error_class = ERROR_CLASS_OBJECT;