diff --git a/installer/data/mysql/atomicupdate/bug_29894.pl b/installer/data/mysql/atomicupdate/bug_29894.pl
new file mode 100755
index 0000000000..1c040fc4b5
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug_29894.pl
@@ -0,0 +1,16 @@
+use Modern::Perl;
+
+return {
+    bug_number => 29894,
+    description => "Add 2FA (de)registering notices",
+    up => sub {
+        my ($args) = @_;
+        my ($dbh, $out) = @$args{qw(dbh out)};
+        $dbh->do( q{
+INSERT IGNORE INTO letter
+(module, code, branchcode, name, is_html, title, content, message_transport_type, lang) VALUES
+('members', '2FA_DEREGISTER', '', 'Confirmation of deregistering two factor authentication', 1, 'Confirmation of deregistering two factor authentication', '<p>Dear [% borrower.firstname %] [% borrower.surname %],</p>\r\n<p>This is to confirm that we deregistered two factor authentication for you.</p>\r\n<p>If you did not deregister, someone else may be using your account. Please contact technical support.</p>\r\n<p>Your library</p>', 'email', 'default'),
+('members', '2FA_REGISTER', '', 'Confirmation of registering two factor authentication', 1, 'Confirmation of registering two factor authentication', '<p>Dear [% borrower.firstname %] [% borrower.surname %],</p>\r\n<p>This is to confirm that we registered two factor authentication for you.</p>\r\n<p>If you did not register, someone else may be using your account. Please contact technical support.</p>\r\n<p>Your library</p>', 'email', 'default')
+        });
+    },
+};
diff --git a/installer/data/mysql/en/mandatory/sample_notices.yml b/installer/data/mysql/en/mandatory/sample_notices.yml
index 42d1d08351..babef2a93c 100644
--- a/installer/data/mysql/en/mandatory/sample_notices.yml
+++ b/installer/data/mysql/en/mandatory/sample_notices.yml
@@ -1632,3 +1632,31 @@ tables:
             - "Callnumber: <<items.itemcallnumber>>"
             - "Waiting since: <<recalls.waitingdate>>"
             - "Notes: <<recalls.recallnotes>>"
+
+        - module: members
+          code: 2FA_DEREGISTER
+          branchcode: ""
+          name: "Confirmation of deregistering two factor authentication"
+          is_html: 1
+          title: "Confirmation of deregistering two factor authentication"
+          message_transport_type: email
+          lang: default
+          content:
+            - "<p>Dear [% borrower.firstname %] [% borrower.surname %],</p>"
+            - "<p>This is to confirm that we deregistered two factor authentication for you.</p>"
+            - "<p>If you did not deregister, someone else may be using your account. Please contact technical support.</p>"
+            - "<p>Your library</p>"
+
+        - module: members
+          code: 2FA_REGISTER
+          branchcode: ""
+          name: "Confirmation of registering two factor authentication"
+          is_html: 1
+          title: "Confirmation of registering two factor authentication"
+          message_transport_type: email
+          lang: default
+          content:
+            - "<p>Dear [% borrower.firstname %] [% borrower.surname %],</p>"
+            - "<p>This is to confirm that we registered two factor authentication for you.</p>"
+            - "<p>If you did not register, someone else may be using your account. Please contact technical support.</p>"
+            - "<p>Your library</p>"