diff --git a/epp/src/epp-create.php b/epp/src/epp-create.php
index b3e9564..00fa364 100644
--- a/epp/src/epp-create.php
+++ b/epp/src/epp-create.php
@@ -1576,8 +1576,8 @@ function processDomainCreate($conn, $db, $xml, $clid, $database_type, $trans, $m
                 ':tm_phase' => $launch_phase ?? 'none',
                 ':tm_smd_id' => $smd_encodedSignedMark ?? null,
                 ':tm_notice_id' => $noticeid ?? null,
-                ':tm_notice_accepted' => $accepted ?? null,
-                ':tm_notice_expires' => $notafter ?? null
+                ':tm_notice_accepted' => normalizeDatetime($accepted) ?? null,
+                ':tm_notice_expires' => normalizeDatetime($notafter) ?? null
             ]);
 
             $domain_id = $db->lastInsertId();
diff --git a/epp/src/helpers.php b/epp/src/helpers.php
index b6a0916..fbfd784 100644
--- a/epp/src/helpers.php
+++ b/epp/src/helpers.php
@@ -1057,4 +1057,9 @@ function ipMatches($ip, $cidr) {
     $maskBin = pack("H*", $maskBin);
 
     return ($ipBin & $maskBin) === ($subnetBin & $maskBin);
+}
+
+function normalizeDatetime($input) {
+    $dt = DateTime::createFromFormat(DateTime::ATOM, $input); // handles 'T' and 'Z'
+    return $dt ? $dt->format('Y-m-d H:i:s.v') : null; // .v gives milliseconds
 }
\ No newline at end of file