diff --git a/monascaclient/tests/v2_0/shell/test_notifications.py b/monascaclient/tests/v2_0/shell/test_notifications.py
index 1c7015c..f5d0afa7 100644
--- a/monascaclient/tests/v2_0/shell/test_notifications.py
+++ b/monascaclient/tests/v2_0/shell/test_notifications.py
@@ -98,21 +98,12 @@ class TestNotificationsShellV2(base.BaseTestCase):
         self._patch_test(mc, args, data)
 
     @mock.patch('monascaclient.osc.migration.make_client')
-    def test_bad_notifications_patch(self, mc):
-        mc.return_value = c = FakeV2Client()
-
-        id_str = '0495340b-58fd-4e1c-932b-5e6f9cc96490'
-        raw_args = ('{0} --type EMAIL --address john.doe@hpe.com '
-                    '--period 60').format(id_str).split(' ')
-        name, cmd_clazz = migr.create_command_class('do_notification_patch',
-                                                    shell)
-        cmd = cmd_clazz(mock.Mock(), mock.Mock())
-
-        parser = cmd.get_parser(name)
-        parsed_args = parser.parse_args(raw_args)
-        cmd.run(parsed_args)
-
-        c.notifications.patch.assert_not_called()
+    def test_good_notifications_patch_recurring_email(self, mc):
+        args = '--type EMAIL --address john.doe@hpe.com --period 60'
+        data = {'type': 'EMAIL',
+                'address': 'john.doe@hpe.com',
+                'period': 60}
+        self._patch_test(mc, args, data)
 
     @mock.patch('monascaclient.osc.migration.make_client')
     def test_good_notifications_update(self, mc):
diff --git a/monascaclient/v2_0/shell.py b/monascaclient/v2_0/shell.py
index 9537ec5..e54b460 100644
--- a/monascaclient/v2_0/shell.py
+++ b/monascaclient/v2_0/shell.py
@@ -554,13 +554,6 @@ def do_metric_statistics(mc, args):
                 formatters=formatters)
 
 
-def _validate_notification_period(period, notification_type):
-    if notification_type != 'WEBHOOK' and period != 0:
-        print("Invalid period, can only be non zero for webhooks")
-        return False
-    return True
-
-
 @utils.arg('name', metavar='<NOTIFICATION_NAME>',
            help='Name of the notification to create.')
 @utils.arg('type', metavar='<TYPE>',
@@ -568,7 +561,7 @@ def _validate_notification_period(period, notification_type):
 @utils.arg('address', metavar='<ADDRESS>',
            help='A valid EMAIL Address, URL, or SERVICE KEY.')
 @utils.arg('--period', metavar='<PERIOD>', type=int, default=0,
-           help='A period for the notification method. Can only be non zero with webhooks')
+           help='A period for the notification method.')
 def do_notification_create(mc, args):
     '''Create notification.'''
 
@@ -577,8 +570,6 @@ def do_notification_create(mc, args):
     fields['type'] = args.type
     fields['address'] = args.address
     if args.period:
-        if not _validate_notification_period(args.period, args.type.upper()):
-            return
         fields['period'] = args.period
     try:
         notification = mc.notifications.create(**fields)
@@ -696,7 +687,7 @@ def do_notification_delete(mc, args):
 @utils.arg('address', metavar='<ADDRESS>',
            help='A valid EMAIL Address, URL, or SERVICE KEY.')
 @utils.arg('period', metavar='<PERIOD>', type=int,
-           help='A period for the notification method. Can only be non zero with webhooks')
+           help='A period for the notification method.')
 def do_notification_update(mc, args):
     '''Update notification.'''
     fields = {}
@@ -705,8 +696,6 @@ def do_notification_update(mc, args):
 
     fields['type'] = args.type
     fields['address'] = args.address
-    if not _validate_notification_period(args.period, args.type.upper()):
-        return
     fields['period'] = args.period
     try:
         notification = mc.notifications.update(**fields)
@@ -725,7 +714,7 @@ def do_notification_update(mc, args):
 @utils.arg('--address', metavar='<ADDRESS>',
            help='A valid EMAIL Address, URL, or SERVICE KEY.')
 @utils.arg('--period', metavar='<PERIOD>', type=int,
-           help='A period for the notification method. Can only be non zero with webhooks')
+           help='A period for the notification method.')
 def do_notification_patch(mc, args):
     '''Patch notification.'''
     fields = {}
@@ -738,9 +727,6 @@ def do_notification_patch(mc, args):
     if args.address:
         fields['address'] = args.address
     if args.period or args.period == 0:
-        if args.type and not _validate_notification_period(
-                args.period, args.type.upper()):
-            return
         fields['period'] = args.period
     try:
         notification = mc.notifications.patch(**fields)
diff --git a/releasenotes/notes/relax-constraints-for-setting-periodic-notifications-502e6570b5481ea4.yaml b/releasenotes/notes/relax-constraints-for-setting-periodic-notifications-502e6570b5481ea4.yaml
new file mode 100644
index 0000000..d7e3a64
--- /dev/null
+++ b/releasenotes/notes/relax-constraints-for-setting-periodic-notifications-502e6570b5481ea4.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Adds support for setting notification period for all types.