diff --git a/src/Model/Reference/DataReference.php b/src/Model/Reference/DataReference.php
index ed091108..e9575904 100644
--- a/src/Model/Reference/DataReference.php
+++ b/src/Model/Reference/DataReference.php
@@ -23,6 +23,7 @@ final class DataReference implements Reference, HasDoi
     private $source;
     private $dataId;
     private $assigningAuthority;
+    private $specificUse;
     private $doi;
     private $uri;
 
@@ -43,6 +44,7 @@ public function __construct(
         string $source,
         string $dataId = null,
         Place $assigningAuthority = null,
+        string $specificUse = null,
         string $doi = null,
         string $uri = null
     ) {
@@ -59,6 +61,7 @@ public function __construct(
         $this->source = $source;
         $this->dataId = $dataId;
         $this->assigningAuthority = $assigningAuthority;
+        $this->specificUse = $specificUse;
         $this->doi = $doi;
         $this->uri = $uri;
     }
@@ -143,6 +146,14 @@ public function getAssigningAuthority()
         return $this->assigningAuthority;
     }
 
+    /**
+     * @return string|null
+     */
+    public function getSpecificUse()
+    {
+        return $this->specificUse;
+    }
+    
     /**
      * @return string|null
      */
diff --git a/src/Serializer/Reference/DataReferenceNormalizer.php b/src/Serializer/Reference/DataReferenceNormalizer.php
index 1bf2cfa8..3b0d21d7 100644
--- a/src/Serializer/Reference/DataReferenceNormalizer.php
+++ b/src/Serializer/Reference/DataReferenceNormalizer.php
@@ -42,6 +42,7 @@ public function denormalize($data, $class, $format = null, array $context = [])
             $data['dataId'] ?? null,
             empty($data['assigningAuthority']) ? null : $this->denormalizer->denormalize($data['assigningAuthority'],
                 Place::class, $format, $context),
+            $data['specificUse'] ?? null,
             $data['doi'] ?? null,
             $data['uri'] ?? null
         );
@@ -111,6 +112,10 @@ public function normalize($object, $format = null, array $context = []) : array
                 $context);
         }
 
+        if ($object->getSpecificUse()) {
+            $data['specificUse'] = $object->getSpecificUse();
+        }
+
         if ($object->getDoi()) {
             $data['doi'] = $object->getDoi();
         }
diff --git a/test/Model/Reference/DataReferenceTest.php b/test/Model/Reference/DataReferenceTest.php
index f9ff0e02..7f3bfdad 100644
--- a/test/Model/Reference/DataReferenceTest.php
+++ b/test/Model/Reference/DataReferenceTest.php
@@ -224,7 +224,7 @@ public function it_may_have_a_doi()
     {
         $with = new DataReference('id', new Date(2000), null,
             [new PersonAuthor(new PersonDetails('preferred name', 'index name'))], false, [], false, [], false, 'title',
-            'source', null, null, '10.1000/182');
+            'source', null, null, null, '10.1000/182');
         $withOut = new DataReference('id', new Date(2000), null,
             [new PersonAuthor(new PersonDetails('preferred name', 'index name'))], false, [], false, [], false, 'title',
             'source');
@@ -241,7 +241,7 @@ public function it_may_have_a_uri()
     {
         $with = new DataReference('id', new Date(2000), null,
             [new PersonAuthor(new PersonDetails('preferred name', 'index name'))], false, [], false, [], false, 'title',
-            'source', null, null, null, 'http://www.example.com/');
+            'source', null, null, null, null, 'http://www.example.com/');
         $withOut = new DataReference('id', new Date(2000), null,
             [new PersonAuthor(new PersonDetails('preferred name', 'index name'))], false, [], false, [], false, 'title',
             'source');
diff --git a/test/Serializer/Reference/DataReferenceNormalizerTest.php b/test/Serializer/Reference/DataReferenceNormalizerTest.php
index 1f89f00d..33015aa0 100644
--- a/test/Serializer/Reference/DataReferenceNormalizerTest.php
+++ b/test/Serializer/Reference/DataReferenceNormalizerTest.php
@@ -86,7 +86,7 @@ public function normalizeProvider() : array
                     [new PersonAuthor(new PersonDetails('curator preferred name', 'curator index name'))], true,
                     'title',
                     'source', 'id', new Place(['assigning authority']),
-                    // 'analyzed',
+                    'analyzed',
                     '10.1000/182',
                     'http://www.example.com/'),
                 [
@@ -132,7 +132,7 @@ public function normalizeProvider() : array
                             'assigning authority',
                         ],
                     ],
-                    // 'specificUse' => 'analyzed',
+                    'specificUse' => 'analyzed',
                     'doi' => '10.1000/182',
                     'uri' => 'http://www.example.com/',
                 ],
@@ -244,6 +244,7 @@ public function denormalizeProvider() : array
                             'assigning authority',
                         ],
                     ],
+                    'specificUse' => 'analyzed',
                     'doi' => '10.1000/182',
                     'uri' => 'http://www.example.com/',
                 ],
@@ -252,7 +253,9 @@ public function denormalizeProvider() : array
                     [new PersonAuthor(new PersonDetails('compiler preferred name', 'compiler index name'))], true,
                     [new PersonAuthor(new PersonDetails('curator preferred name', 'curator index name'))], true,
                     'title',
-                    'source', 'id', new Place(['assigning authority']), '10.1000/182',
+                    'source', 'id', new Place(['assigning authority']),
+                    'analyzed',
+                    '10.1000/182',
                     'http://www.example.com/'),
             ],
             'minimum' => [