diff --git a/library/include/mobilisis/tariff_permit_type.h b/library/include/mobilisis/tariff_permit_type.h
index d87879b..e266afd 100644
--- a/library/include/mobilisis/tariff_permit_type.h
+++ b/library/include/mobilisis/tariff_permit_type.h
@@ -11,6 +11,7 @@ enum class PERMIT_TYPE : quint8 {
     DAY_TICKET_ADULT,
     DAY_TICKET_TEEN,
     DAY_TICKET_CHILD,
+    FOOD_STAMP,
     INVALID
 };
 
@@ -41,6 +42,9 @@ struct PermitType {
         case 6:
             m_permitType = PERMIT_TYPE::DAY_TICKET_CHILD;
             break;
+        case 7:
+            m_permitType = PERMIT_TYPE::FOOD_STAMP;
+            break;
         default:
             m_permitType = PERMIT_TYPE::INVALID;
         }
@@ -52,7 +56,7 @@ struct PermitType {
 
     operator PERMIT_TYPE() const { return m_permitType; }
 
-    operator int() const {
+    operator int () const {
         switch(m_permitType) {
         case PERMIT_TYPE::SHORT_TERM_PARKING:
             return 0;
@@ -68,6 +72,8 @@ struct PermitType {
             return 5;
         case PERMIT_TYPE::DAY_TICKET_TEEN:
             return 6;
+        case PERMIT_TYPE::FOOD_STAMP:
+            return 7;
         default:
             break;
         }
@@ -75,7 +81,7 @@ struct PermitType {
 
     }
 
-    operator QString() const {
+    operator QString () {
         switch(m_permitType) {
         case PERMIT_TYPE::DAY_TICKET:
             return QString("DAY_TICKET");
@@ -91,6 +97,32 @@ struct PermitType {
             return QString("SZEGED_START");
         case PERMIT_TYPE::SZEGED_STOP:
             return QString("SZEGED_STOP");
+        case PERMIT_TYPE::FOOD_STAMP:
+            return QString("FOOD_STAMP");
+        default:
+            break;
+        }
+        return QString("INVALID");
+    }
+
+    operator QString () const {
+        switch(m_permitType) {
+        case PERMIT_TYPE::DAY_TICKET:
+            return QString("DAY_TICKET");
+        case PERMIT_TYPE::DAY_TICKET_ADULT:
+            return QString("DAY_TICKET_ADULT");
+        case PERMIT_TYPE::DAY_TICKET_CHILD:
+            return QString("DAY_TICKET_CHILD");
+        case PERMIT_TYPE::DAY_TICKET_TEEN:
+            return QString("DAY_TICKET_TEEN");
+        case PERMIT_TYPE::SHORT_TERM_PARKING:
+            return QString("SHORT_TERM_PARKING");
+        case PERMIT_TYPE::SZEGED_START:
+            return QString("SZEGED_START");
+        case PERMIT_TYPE::SZEGED_STOP:
+            return QString("SZEGED_STOP");
+        case PERMIT_TYPE::FOOD_STAMP:
+            return QString("FOOD_STAMP");
         default:
             break;
         }