diff --git a/entity/Address_entity/Address_entity.aod b/entity/Address_entity/Address_entity.aod
index 1420961a65ff83f6d6c2c00e56263bbe1be92072..6a673e9aac4d858ba63d07b76b4105d4cb90a7e6 100644
--- a/entity/Address_entity/Address_entity.aod
+++ b/entity/Address_entity/Address_entity.aod
@@ -445,6 +445,7 @@
       <mandatoryProcess>%aditoprj%/entity/Address_entity/entityfields/address_ws/mandatoryProcess.js</mandatoryProcess>
       <textInputAllowed v="true" />
       <stateProcess>%aditoprj%/entity/Address_entity/entityfields/address_ws/stateProcess.js</stateProcess>
+      <titleProcess>%aditoprj%/entity/Address_entity/entityfields/address_ws/titleProcess.js</titleProcess>
       <valueProcess>%aditoprj%/entity/Address_entity/entityfields/address_ws/valueProcess.js</valueProcess>
       <displayValueProcess>%aditoprj%/entity/Address_entity/entityfields/address_ws/displayValueProcess.js</displayValueProcess>
       <onValueChange>%aditoprj%/entity/Address_entity/entityfields/address_ws/onValueChange.js</onValueChange>
diff --git a/entity/Address_entity/entityfields/address_ws/titleProcess.js b/entity/Address_entity/entityfields/address_ws/titleProcess.js
new file mode 100644
index 0000000000000000000000000000000000000000..a4923c9cd04d58e2b46635653ad058c779ac8dac
--- /dev/null
+++ b/entity/Address_entity/entityfields/address_ws/titleProcess.js
@@ -0,0 +1,10 @@
+import("system.result");
+import("system.vars");
+import("KeywordRegistry_basic");
+import("Keyword_lib");
+
+var key = vars.get("$field.ADDR_TYPE");
+if (key == $KeywordRegistry.addressType$post())
+{
+    result.string("Post office box number");
+}
\ No newline at end of file
diff --git a/process/KeywordRegistry_basic/process.js b/process/KeywordRegistry_basic/process.js
index 1d937e5cd44537e202469b544d0cf9d8f8c1fdce..b17061f3aa65daa386e0e0735d07c850e0be8a89 100644
--- a/process/KeywordRegistry_basic/process.js
+++ b/process/KeywordRegistry_basic/process.js
@@ -107,6 +107,7 @@ $KeywordRegistry.activityCategory$visit = function(){return "VISIT";};
 $KeywordRegistry.addressType = function(){return "AddressType";};
 $KeywordRegistry.addressType$private = function(){return "HOMEADDR";};
 $KeywordRegistry.addressType$office = function(){return "OFFICEADDR";};
+$KeywordRegistry.addressType$post = function(){return "POSTADDR";};
 
 $KeywordRegistry.offerProbability = function(){return "OfferProbability";};