diff --git a/src/main/java/org/meeuw/i18n/languages/ISO_639.java b/src/main/java/org/meeuw/i18n/languages/ISO_639.java
index 09d54bc..d9e1c4d 100644
--- a/src/main/java/org/meeuw/i18n/languages/ISO_639.java
+++ b/src/main/java/org/meeuw/i18n/languages/ISO_639.java
@@ -123,10 +123,19 @@ public static Stream<ISO_639_Code> stream() {
 
    private static final ThreadLocal<Map<String, ISO_639_Code>> FALLBACKS = ThreadLocal.withInitial(HashMap::new);
 
+    static final ThreadLocal<Map<String, LanguageCode>> LC_FALLBACKS = ThreadLocal.withInitial(HashMap::new);
+
+
     public static void registerFallback(String code, ISO_639_Code exemption) {
         FALLBACKS.get().put(code, exemption);
     }
 
+
+    static void setFallback(Map<String, ISO_639_Code> exemptions) {
+        FALLBACKS.set(Collections.unmodifiableMap(exemptions));
+    }
+
+
     public static Map<String, ISO_639_Code> getFallBacks() {
         return FALLBACKS.get();
     }
diff --git a/src/main/java/org/meeuw/i18n/languages/LanguageCode.java b/src/main/java/org/meeuw/i18n/languages/LanguageCode.java
index 2b5ef63..8c789c3 100644
--- a/src/main/java/org/meeuw/i18n/languages/LanguageCode.java
+++ b/src/main/java/org/meeuw/i18n/languages/LanguageCode.java
@@ -12,6 +12,8 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
 
+import static org.meeuw.i18n.languages.ISO_639.LC_FALLBACKS;
+
 /**
  * A language with a ISO 639-3 language code (of three letters). Also, aware of the ISO-630-1 2 letter codes if that exist.
  *<p>
@@ -73,9 +75,26 @@ public interface LanguageCode extends ISO_639_Code {
 
 
 
+    static void setFallback(Map<String, LanguageCode> exemptions) {
+        LC_FALLBACKS.set(Collections.unmodifiableMap(exemptions));
+    }
+
+
+    static void registerFallback(String code, LanguageCode exemption) {
+        LC_FALLBACKS.get().put(code, exemption);
+    }
+
+    static Map<String, LanguageCode> getFallBacks() {
+        return LC_FALLBACKS.get();
+    }
+
+    static void resetFallBacks() {
+        LC_FALLBACKS.remove();
+    }
+
 
     /**
-         * Retrieves a {@link ISO_639_3_Code} by on of its three-letter identifiers {@link ISO_639#getByPart3(String)}, {@link ISO_639#getByPart2B(String)}, or {@link ISO_639#getByPart2T(String)}  or its two letter identifier {@link #part1()}.
+     * Retrieves a {@link ISO_639_3_Code} by on of its three-letter identifiers {@link ISO_639#getByPart3(String)}, {@link ISO_639#getByPart2B(String)}, or {@link ISO_639#getByPart2T(String)}  or its two letter identifier {@link #part1()}.
      *
      * @param code A 2 or 3 letter language code
      * @return An optional containing the {@link ISO_639_3_Code} if found.
@@ -86,23 +105,30 @@ public interface LanguageCode extends ISO_639_Code {
      * @since 0.2
      */
     static Optional<LanguageCode> get(String code, boolean matchRetired) {
+        Optional<LanguageCode> optional;
         if (code.length() == 2) {
-            return getByPart1(code);
+            optional =  getByPart1(code);
         } else {
             Optional<LanguageCode> byPart3 = ISO_639.getByPart3(code, matchRetired);
             if (byPart3.isPresent()) {
-                return byPart3;
+                optional =  byPart3;
             } else {
                 Optional<LanguageCode> byPart2B = ISO_639.getByPart2B(code);
                 if (byPart2B.isPresent()) {
-                    return byPart2B;
+                    optional = byPart2B;
                 } else {
-                    return ISO_639.getByPart2T(code);
+                    optional =  ISO_639.getByPart2T(code);
                 }
             }
         }
+        if (optional.isPresent()) {
+            return optional;
+        } else {
+            return Optional.ofNullable(LC_FALLBACKS.get().get(code));
+        }
     }
 
+
     static Optional<LanguageCode> get(String code) {
         return get(code, true);
     }