diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageDefinition.cs b/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageDefinition.cs
new file mode 100644
index 00000000..8c81d6bb
--- /dev/null
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageDefinition.cs	
@@ -0,0 +1,11 @@
+using System;
+
+namespace PepperDash_Essentials_Core.DeviceTypeInterfaces
+{
+    public interface ILanguageDefinition
+    {
+        ILanguageDefinition CurrentLanguage { get; set; }
+
+        event EventHandler CurrentLanguageChanged;
+    }
+}
\ No newline at end of file
diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageLabel.cs b/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageLabel.cs
new file mode 100644
index 00000000..7f3fecd7
--- /dev/null
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageLabel.cs	
@@ -0,0 +1,8 @@
+namespace PepperDash_Essentials_Core.DeviceTypeInterfaces
+{
+    public interface ILanguageLabel
+    {
+        string Description { get; set; } 
+        string DisplayText { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageProvider.cs b/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageProvider.cs
new file mode 100644
index 00000000..34047535
--- /dev/null
+++ b/essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/ILanguageProvider.cs	
@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+
+namespace PepperDash_Essentials_Core.DeviceTypeInterfaces
+{
+    public interface ILanguageProvider
+    {
+        string LocaleName { get; set; }
+        string FriendlyName { get; set; }
+        bool Enable { get; set; }
+        List<ILanguageLabel> UiLabels { get; set; } 
+        List<ILanguageLabel> Sources { get; set; } 
+        List<ILanguageLabel> Destinations { get; set; } 
+    }
+}
\ No newline at end of file