diff --git a/BurnOutSharp/BurnOutSharp.csproj b/BurnOutSharp/BurnOutSharp.csproj
index a6d41f5e..cd4b714d 100644
--- a/BurnOutSharp/BurnOutSharp.csproj
+++ b/BurnOutSharp/BurnOutSharp.csproj
@@ -75,4 +75,9 @@
     </ProjectReference>
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="ExecutableType\Apple\" />
+    <Folder Include="ExecutableType\ELF\" />
+  </ItemGroup>
+
 </Project>
diff --git a/BurnOutSharp/ExecutableType/Microsoft/LE/LinearExecutable.cs b/BurnOutSharp/ExecutableType/Microsoft/LE/LinearExecutable.cs
new file mode 100644
index 00000000..5f9fdb92
--- /dev/null
+++ b/BurnOutSharp/ExecutableType/Microsoft/LE/LinearExecutable.cs
@@ -0,0 +1,9 @@
+namespace BurnOutSharp.ExecutableType.Microsoft.LE
+{
+    /// <summary>
+    /// PLACEHOLDER LE/LX
+    /// </summary>
+    public class LinearExecutable
+    {
+    }
+}
\ No newline at end of file
diff --git a/BurnOutSharp/Interfaces/ILinearExecutableCheck.cs b/BurnOutSharp/Interfaces/ILinearExecutableCheck.cs
new file mode 100644
index 00000000..09ef94ce
--- /dev/null
+++ b/BurnOutSharp/Interfaces/ILinearExecutableCheck.cs
@@ -0,0 +1,19 @@
+using BurnOutSharp.ExecutableType.Microsoft.LE;
+
+namespace BurnOutSharp.Interfaces
+{
+    /// <summary>
+    /// Check a Linear Executable (LE) for protection
+    /// </summary>
+    internal interface ILinearExecutableCheck
+    {
+        /// <summary>
+        /// Check a path for protections based on file contents
+        /// </summary>
+        /// <param name="file">File to check for protection indicators</param>
+        /// <param name="lex">LinearExecutable representing the read-in file</param>
+        /// <param name="includeDebug">True to include debug data, false otherwise</param>
+        /// <returns>String containing any protections found in the file</returns>
+        string CheckNewExecutable(string file, LinearExecutable lex, bool includeDebug);
+    }
+}