diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3440fb..9349360 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,11 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+### Added
+
+- Added the `CPR / Navn validering` element to allowed recipient element names
+  [PR-43](https://github.com/itk-dev/os2forms_digital_post/pull/43)
+
 ## [2.0.1]
 
 ## Changed
diff --git a/src/Helper/WebformHelperSF1601.php b/src/Helper/WebformHelperSF1601.php
index 09a5e6b..886868b 100644
--- a/src/Helper/WebformHelperSF1601.php
+++ b/src/Helper/WebformHelperSF1601.php
@@ -159,6 +159,17 @@ public function sendDigitalPost(WebformSubmissionInterface $submission, array $h
     }
 
     $recipientIdentifier = $submissionData[$recipientIdentifierKey] ?? NULL;
+
+    // Fix if os2forms_person_lookup (cpr & name validation) element is used.
+    if (is_array($recipientIdentifier)) {
+      // Example:
+      // [
+      // 'cpr_number' => 1234567890,
+      // 'name' => Eksempel Eksempelsen,
+      // ].
+      $recipientIdentifier = $recipientIdentifier['cpr_number'] ?? NULL;
+    }
+
     if (NULL === $recipientIdentifier) {
       $message = 'Recipient identifier element (key: @element_key) not found in submission';
       $context = [
diff --git a/src/Plugin/WebformHandler/WebformHandlerSF1601.php b/src/Plugin/WebformHandler/WebformHandlerSF1601.php
index 603edbc..db60d10 100644
--- a/src/Plugin/WebformHandler/WebformHandlerSF1601.php
+++ b/src/Plugin/WebformHandler/WebformHandlerSF1601.php
@@ -246,6 +246,7 @@ private function getRecipientElements(): array {
       'os2forms_nemid_company_cvr',
       'os2forms_nemid_company_cvr_fetch_data',
       'os2forms_nemid_cpr',
+      'os2forms_person_lookup',
       // @todo Remove these when we remove the elements.
       'cpr_element',
       'cpr_value_element',