diff --git a/commerce_no_payment.module b/commerce_no_payment.module
index 56a559a..705a8ab 100644
--- a/commerce_no_payment.module
+++ b/commerce_no_payment.module
@@ -11,21 +11,45 @@
  */
 function commerce_no_payment_commerce_payment_method_info() {
   $payment_methods = array();
-
   $payment_methods['commerce_no_payment'] = array(
     'title' => t('No payment required'),
     'description' => t('Does a complete payment transaction with no payment required.'),
-    'active' => TRUE,
   );
-
   return $payment_methods;
 }
 
 /**
+ * Payment method callback: settings form.
+ */
+function commerce_no_payment_settings_form($settings = NULL) {
+  $settings = (array) $settings + array(
+    'information' => '',
+    'enforce' => 1
+  );
+  $form = array();
+  $form['information'] = array(
+    '#type' => 'textarea',
+    '#title' => t('Information'),
+    '#description' => t('Information you would like to be shown to users when they select this payment method.'),
+    '#default_value' => $settings['information']
+  );
+  $form['enforce'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Enforce 0 order balance'),
+    '#description' => t('Require an order balance of 0 for this payment method to validate.'),
+    '#default_value' => $settings['enforce']
+  );
+  return $form;
+}
+
+/**
  * Payment method callback: submit form.
  */
 function commerce_no_payment_submit_form($payment_method, $pane_values, $checkout_pane, $order) {
   $form = array();
+  $form['commerce_no_payment_description'] = array(
+    '#markup' => filter_xss($payment_method['settings']['information'])
+  );
   return $form;
 }
 
@@ -33,9 +57,12 @@ function commerce_no_payment_submit_form($payment_method, $pane_values, $checkou
  * Payment method callback: submit form validation.
  */
 function commerce_no_payment_submit_form_validate($payment_method, $pane_form, $pane_values, $order, $form_parents = array()) {
-  /* could possibly check orders for a balance of 0.00
-     but then it wouldn't be useful for testing, as it wouldnt work on other orders
-  */
+  $order->language = isset($order->language) ? $order->language : LANGUAGE_NONE;
+  $balance = $order->commerce_order_total[$order->language][0]['amount'];
+  if($payment_method['settings']['enforce'] && $balance > 0){
+    form_set_error(implode('][', array_merge($form_parents, array('information'))), t('Order balance must be equal to zero for this payment method.'));
+    return FALSE;
+  }
 }
 
 /**
@@ -62,6 +89,5 @@ function commerce_no_payment_transaction($payment_method, $order, $charge) {
   $transaction->amount = $charge['amount'];
   $transaction->currency_code = $charge['currency_code'];
   $transaction->status = COMMERCE_PAYMENT_STATUS_SUCCESS;
-
   commerce_payment_transaction_save($transaction);
 }