diff --git a/ecc/conversion_toolset_v1/proto/protobuf_ecc_data.proto b/ecc/conversion_toolset_v1/proto/protobuf_ecc_data.proto
index c1a826a..8128963 100644
--- a/ecc/conversion_toolset_v1/proto/protobuf_ecc_data.proto
+++ b/ecc/conversion_toolset_v1/proto/protobuf_ecc_data.proto
@@ -24,6 +24,16 @@
 
     // Extra rules: Every Ecc should have at least 1 valid type.
     repeated Type types = 2 [packed=true];
+
+
+    //Optional: By default, the emergency number is assumed to be 'emergency routed'
+    optional bool is_normal_routed = 3 [default = false];
+
+    //Optional: This field is evaluated only if is_normal_routed is set to true
+    //If the field is empty, normal routing is used for all MNCs
+    //Else normal routing is used only for list of MNCs specified
+    repeated string normal_routing_mncs = 4;
+
 }
 
 // CountryInfo represents available ECCs of a country/region, recognized
diff --git a/tests/src/com/android/phone/ecc/EccDataTest.java b/tests/src/com/android/phone/ecc/EccDataTest.java
index 911d3c5..2cc622e 100644
--- a/tests/src/com/android/phone/ecc/EccDataTest.java
+++ b/tests/src/com/android/phone/ecc/EccDataTest.java
@@ -49,6 +49,7 @@
 
         HashSet loadedIsos = new HashSet(300);
         HashSet loadedNumbers = new HashSet(5);
+        HashSet loadedMncs = new HashSet(5);
 
         for (ProtobufEccData.CountryInfo countryInfo : allEccMessages.countries) {
             assertThat(countryInfo.isoCode).isNotEmpty();
@@ -63,6 +64,17 @@
                 assertThat(loadedNumbers.contains(eccInfo.phoneNumber)).isFalse();
                 assertThat(eccInfo.types).isNotEmpty();
                 loadedNumbers.add(eccInfo.phoneNumber);
+                if (eccInfo.isNormalRouted) {
+                    loadedMncs.clear();
+                    for (String mnc : eccInfo.normalRoutingMncs) {
+                        assertThat(mnc).isNotEmpty();
+                        assertThat(mnc).isEqualTo(mnc.trim());
+                        assertThat(loadedMncs.contains(mnc)).isFalse();
+                        assertThat(mnc.length()).isGreaterThan(1);
+                        assertThat(mnc.length()).isLessThan(4);
+                        loadedMncs.add(mnc);
+                    }
+                }
             }
         }
     }