diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index 4f4faa7..e2b8312 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -1167,6 +1167,181 @@ class InvoiceController extends Controller {
         }
     }
 
+    // Periods
+    public function getPeriods(Request $request) { // /api/rpc/invoice/periods/getperiods
+        $check = $this->objAuth->checkLegit($request->username, $request->password);
+
+        if ($check == 0) {
+            return 'Err!';
+        }
+        else {
+            $valid = $this->objAuth->getPermissions($request->username, $request->password);
+
+            if ($valid['inv_makeinvoice'] == 1) {
+                if ($valid['inv_manuser'] == 1) {
+                    return DB::table('inv_periods')
+                        ->select(
+                            'id',
+                            'user_id',
+                            'name',
+                            'rate'
+                        )
+                        ->get();
+
+                }
+                else {
+                    return DB::table('inv_periods')
+                        ->select(
+                            'id',
+                            'name',
+                            'rate'
+                        )
+                        ->where('user_id', $check)
+                        ->get();
+                }
+            }
+            else {
+                return 'Permission denied.';
+            }
+        }
+    }
+
+    public function getPeriod($id, Request $request) { // /api/rpc/invoice/periods/getperiod/id
+        $check = $this->objAuth->checkLegit($request->username, $request->password);
+
+        if ($check == 0) {
+            return 'Err!';
+        }
+        else {
+            $valid = $this->objAuth->getPermissions($request->username, $request->password);
+
+            if ($valid['inv_makeinvoice'] == 1) {
+                if ($valid['inv_manuser'] == 1) {
+                    return DB::table('inv_periods')
+                        ->select(
+                            'id',
+                            'user_id',
+                            'name',
+                            'rate'
+                        )
+                        ->where('id', $id)
+                        ->get();
+                }
+                else {
+                    return DB::table('inv_periods')
+                        ->select(
+                            'id',
+                            'name',
+                            'rate'
+                        )
+                        ->where('id', $id)
+                        ->where('user_id', $check)
+                        ->get();
+                }
+            }
+            else {
+                return 'Permission denied.';
+            }
+        }
+    }
+
+    public function newPeriod(Request $request) { // /api/rpc/invoice/periods/new
+        $check = $this->objAuth->checkLegit($request->username, $request->password);
+
+        if ($check == 0) {
+            return 'Err!';
+        }
+        else {
+            $valid = $this->objAuth->getPermissions($request->username, $request->password);
+
+            if ($valid['inv_makeinvoice'] == 1) {
+                if ($valid['inv_manuser'] == 1) {
+                    $add = DB::table('inv_periods')
+                        ->insertGetId([
+                            'user_id' => $request->user_id,
+                            'name' => $request->name,
+                            'rate' => $request->rate
+                        ]);
+                }
+                else {
+                    $add = DB::table('inv_periods')
+                        ->insertGetId([
+                            'user_id' => $check,
+                            'name' => $request->name,
+                            'rate' => $request->rate
+                        ]);
+                }
+
+                return $add;
+            }
+            else {
+                return 'Permission denied.';
+            }
+        }
+    }
+
+    public function editPeriod(Request $request) { // /api/rpc/invoice/periods/edit
+        $check = $this->objAuth->checkLegit($request->username, $request->password);
+
+        if ($check == 0) {
+            return 'Err!';
+        }
+        else {
+            $valid = $this->objAuth->getPermissions($request->username, $request->password);
+
+            if ($valid['inv_makeinvoice'] == 1) {
+                if ($valid['inv_manuser'] == 1) {
+                    DB::table('inv_periods')
+                        ->where('id', $request->id)
+                        ->update([
+                            'user_id' => $request->user_id,
+                            'name' => $request->name,
+                            'rate' => $request->rate
+                       ]);
+                }
+                else {
+                    DB::table('inv_periods')
+                        ->where('id', $request->id)
+                        ->where('user_id', $check)
+                        ->update([
+                            'name' => $request->name,
+                            'rate' => $request->rate
+                       ]);
+                }
+
+                return 'Success!';
+            }
+            else {
+                return 'Permission denied.';
+            }
+        }
+    }
+
+    public function deletePeriod(Request $request) { // /api/rpc/invoice/periods/delete
+        $check = $this->objAuth->checkLegit($request->username, $request->password);
+
+        if ($check == 0) {
+            return 'Err!';
+        }
+        else {
+            $valid = $this->objAuth->getPermissions($request->username, $request->password);
+
+            if ($valid['inv_makeinvoice'] == 1) {
+                if ($valid['inv_manuser'] == 1) {
+                    DB::table('inv_periods')->where('id', $request->id)->delete();
+                }
+                else {
+                    DB::table('inv_periods')->where('id', $request->id)->where('user_id', $check)->delete();
+                }
+
+                return 'Done.';
+            }
+            else {
+                return 'Permission denied.';
+            }
+        }
+    }
+
     // Products
     public function getProducts(Request $request) { // /api/rpc/invoice/products/products/get
         $check = $this->objAuth->checkLegit($request->username, $request->password);
diff --git a/routes/class/invoice.php b/routes/class/invoice.php
index 46e9111..c62ad09 100644
--- a/routes/class/invoice.php
+++ b/routes/class/invoice.php
@@ -30,6 +30,8 @@ Route::get('/api/rpc/invoice/invoices/getinvoices', 'InvoiceController@getInvoic
 Route::get('/api/rpc/invoice/invoices/getinvoice/{id}', 'InvoiceController@getInvoice');
 Route::get('/api/rpc/invoice/services/getservices', 'InvoiceController@getServices');
 Route::get('/api/rpc/invoice/services/getservice/{id}', 'InvoiceController@getService');
+Route::get('/api/rpc/invoice/periods/getperiods', 'InvoiceController@getPeriods');
+Route::get('/api/rpc/invoice/periods/getperiod/{id}', 'InvoiceController@getPeriod');
 
 Route::get('/api/rpc/invoice/products/products/get', 'InvoiceController@getProducts');
 Route::get('/api/rpc/invoice/products/product/get/{id}', 'InvoiceController@getProduct');
@@ -41,6 +43,7 @@ Route::get('/api/rpc/invoice/products/interval/get/{id}', 'InvoiceController@get
 Route::post('/api/rpc/invoice/invoices/deleteitem', 'InvoiceController@deleteInvoiceItem');
 Route::post('/api/rpc/invoice/invoices/delete', 'InvoiceController@deleteInvoice');
 Route::post('/api/rpc/invoice/services/delete', 'InvoiceController@deleteService');
+Route::post('/api/rpc/invoice/periods/delete', 'InvoiceController@deletePeriod');
 Route::post('/api/rpc/invoice/products/product/delete', 'InvoiceController@deleteProduct');
 Route::post('/api/rpc/invoice/products/category/delete', 'InvoiceController@deleteProductCategory');
 Route::post('/api/rpc/invoice/products/interval/delete', 'InvoiceController@deleteProductInterval');
@@ -48,6 +51,7 @@ Route::post('/api/rpc/invoice/products/interval/delete', 'InvoiceController@dele
 Route::post('/api/rpc/invoice/invoices/edititem', 'InvoiceController@editInvoiceItem');
 Route::post('/api/rpc/invoice/invoices/edit', 'InvoiceController@editInvoice');
 Route::post('/api/rpc/invoice/services/edit', 'InvoiceController@editService');
+Route::post('/api/rpc/invoice/periods/edit', 'InvoiceController@editPeriod');
 Route::post('/api/rpc/invoice/products/product/edit', 'InvoiceController@editProduct');
 Route::post('/api/rpc/invoice/products/category/edit', 'InvoiceController@editProductCategory');
 Route::post('/api/rpc/invoice/products/interval/edit', 'InvoiceController@editProductInterval');
@@ -55,6 +59,7 @@ Route::post('/api/rpc/invoice/products/interval/edit', 'InvoiceController@editPr
 Route::post('/api/rpc/invoice/invoices/newitem', 'InvoiceController@newInvoiceItem');
 Route::post('/api/rpc/invoice/invoices/new', 'InvoiceController@newInvoice');
 Route::post('/api/rpc/invoice/services/new', 'InvoiceController@newService');
+Route::post('/api/rpc/invoice/periods/new', 'InvoiceController@newPeriod');
 Route::post('/api/rpc/invoice/products/product/new', 'InvoiceController@newProduct');
 Route::post('/api/rpc/invoice/products/category/new', 'InvoiceController@newProductCategory');
 Route::post('/api/rpc/invoice/products/interval/new', 'InvoiceController@newProductInterval');