diff --git a/availability/classes/privacy/provider.php b/availability/classes/privacy/provider.php
new file mode 100644
index 00000000000..bb8a3a7b73c
--- /dev/null
+++ b/availability/classes/privacy/provider.php
@@ -0,0 +1,46 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Privacy Subsystem implementation for core_availability.
+ *
+ * @package    core_availability
+ * @copyright  2018 Sara Arjona <sara@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core_availability\privacy;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Privacy Subsystem for core_availability implementing null_provider.
+ *
+ * @copyright  2018 Sara Arjona <sara@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason() : string {
+        return 'privacy:metadata';
+    }
+}
\ No newline at end of file
diff --git a/lang/en/availability.php b/lang/en/availability.php
index f4ed7e4d2e0..3c95526b448 100644
--- a/lang/en/availability.php
+++ b/lang/en/availability.php
@@ -61,6 +61,7 @@ $string['listheader_multi_or'] = 'any';
 $string['manageplugins'] = 'Manage restrictions';
 $string['missingplugin'] = 'Missing restriction plugin';
 $string['or'] = 'or';
+$string['privacy:metadata'] = 'The Access restriction subsystem does not store any personal data.';
 $string['restrictaccess'] = 'Restrict access';
 $string['restrictbygroup'] = 'Add group/grouping access restriction';
 $string['setheading'] = '{$a->number} Set of {$a->count} restriction(s)';