diff --git a/src/reducers/reducer.js b/src/reducers/reducer.js
index fe6b1a6..f375d9f 100644
--- a/src/reducers/reducer.js
+++ b/src/reducers/reducer.js
@@ -12,6 +12,7 @@ import type { resultsAction } from './reducer.results'
 import { initState } from './reducer.init';
 import type { initAction } from './reducer.init';
 import { clearOutput } from './reducer.clear';
+import { setLatl } from './reducer.latl';
 
 export type stateType = {
   lexicon: Array<{lexeme: string, epoch: epochType}>,
@@ -60,6 +61,8 @@ export const stateReducer = (state: stateType, action: actionType): stateType =>
 
     case 'SET_OPTIONS': return setOptions(state, action);
 
+    case 'SET_LATL': return setLatl(state, action);
+
     case 'CLEAR': return clearOutput(state, action);
 
     case 'RUN': return run(state, action);
diff --git a/src/reducers/reducer.latl.js b/src/reducers/reducer.latl.js
new file mode 100644
index 0000000..7632de5
--- /dev/null
+++ b/src/reducers/reducer.latl.js
@@ -0,0 +1,5 @@
+
+
+export const setLatl = (state, action) => {
+  return {...state};
+}
\ No newline at end of file
diff --git a/src/reducers/reducer.latl.test.js b/src/reducers/reducer.latl.test.js
new file mode 100644
index 0000000..8c66a01
--- /dev/null
+++ b/src/reducers/reducer.latl.test.js
@@ -0,0 +1,14 @@
+import { stateReducer } from './reducer';
+import { initState } from './reducer.init';
+
+describe('LATL', () => {
+  it('returns state unaltered with no action body', () => {
+    const state = initState();
+    const action = {
+      type: 'SET_LATL',
+      value: {}
+    }
+    const returnedState = stateReducer(state, action)
+    expect(returnedState).toStrictEqual(state);
+  })
+})
\ No newline at end of file