diff --git a/src/main/java/edu/harvard/iq/dataverse/DatasetFieldServiceBean.java b/src/main/java/edu/harvard/iq/dataverse/DatasetFieldServiceBean.java
index ce2b00086ec..b05dd6b40c0 100644
--- a/src/main/java/edu/harvard/iq/dataverse/DatasetFieldServiceBean.java
+++ b/src/main/java/edu/harvard/iq/dataverse/DatasetFieldServiceBean.java
@@ -502,7 +502,14 @@ public void process(HttpResponse response, HttpContext context) throws HttpExcep
                     HttpGet httpGet = new HttpGet(retrievalUri);
                     //application/json+ld is for backward compatibility
                     httpGet.addHeader("Accept", "application/ld+json, application/json+ld, application/json");
-
+                    //Adding others custom HTTP request headers if exists
+                    final JsonObject headers = cvocEntry.getJsonObject("headers");
+                    if (headers != null) {
+                        final Set<String> headerKeys = headers.keySet();
+                        for (final String hKey: headerKeys) {
+                            httpGet.addHeader(hKey, headers.getString(hKey));
+                        }
+                    }
                     HttpResponse response = httpClient.execute(httpGet);
                     String data = EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);
                     int statusCode = response.getStatusLine().getStatusCode();
diff --git a/src/main/webapp/datasetFieldForEditFragment.xhtml b/src/main/webapp/datasetFieldForEditFragment.xhtml
index e72ee351ea0..d8c005366cb 100644
--- a/src/main/webapp/datasetFieldForEditFragment.xhtml
+++ b/src/main/webapp/datasetFieldForEditFragment.xhtml
@@ -42,6 +42,7 @@
             </c:if>
             <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvoc.getString('languages'))}"/>
             <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvoc.getString('cvoc-url','')}"/>
+            <f:passThroughAttribute name="data-cvoc-headers" value="#{cvoc.containsKey('headers') ? cvoc.get('headers').toString() : '{}'}"/>
             <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvoc.getString('protocol','')}"/>
             <f:passThroughAttribute name="data-cvoc-filter" value="#{cvoc.getString('term-parent-uri','')}"/>
             <f:passThroughAttribute name="data-cvoc-vocabs" value="#{cvoc.get('vocabs').toString()}"/>
diff --git a/src/main/webapp/metadataFragment.xhtml b/src/main/webapp/metadataFragment.xhtml
index 200d2917b9a..1cf4ac0bc71 100755
--- a/src/main/webapp/metadataFragment.xhtml
+++ b/src/main/webapp/metadataFragment.xhtml
@@ -88,6 +88,7 @@
                                                     escape="#{dsf.datasetFieldType.isEscapeOutputText()}">
                                                     <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(dsf.datasetFieldType.id).getString('languages'))}" />
                                                     <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(dsf.datasetFieldType.id).getString('cvoc-url','')}" />
+                                                    <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(dsf.datasetFieldType.id).containsKey('headers') ? cvocConf.get(dsf.datasetFieldType.id).get('headers').toString() : '{}'}"/>
                                                     <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(dsf.datasetFieldType.id).getString('protocol','')}" />
                                                     <f:passThroughAttribute name="data-cvoc-managedfields" value="#{cvocConf.get(dsf.datasetFieldType.id).get('managedfields').toString()}" />
                                                 </h:outputText>
@@ -100,6 +101,7 @@
                                                                   escape="#{dsf.datasetFieldType.isEscapeOutputText()}">
                                                         <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(dsf.datasetFieldType.id).getString('languages'))}" />
                                                         <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(dsf.datasetFieldType.id).getString('cvoc-url','')}" />
+                                                        <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(dsf.datasetFieldType.id).containsKey('headers') ? cvocConf.get(dsf.datasetFieldType.id).get('headers').toString() : '{}'}"/>
                                                         <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(dsf.datasetFieldType.id).getString('protocol','')}" />
                                                         <f:passThroughAttribute name="data-cvoc-managedfields" value="#{cvocConf.get(dsf.datasetFieldType.id).get('managedfields').toString()}" />
                                                     </h:outputText>
@@ -146,6 +148,7 @@
                                                                       rendered="${cvocOnCvPart and cvPart.key.datasetFieldType.name.equals(cvocConf.get(cvPart.key.datasetFieldType.id).getString('term-uri-field'))}">
                                                                       <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(cvPart.key.datasetFieldType.id).getString('languages'))}" />
                                                                       <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(cvPart.key.datasetFieldType.id).getString('cvoc-url','')}" />
+                                                                      <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(cvPart.key.datasetFieldType.id).containsKey('headers') ? cvocConf.get(cvPart.key.datasetFieldType.id).get('headers').toString() : '{}'}"/>
                                                                       <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(cvPart.key.datasetFieldType.id).getString('protocol','')}" />
                                                                       <!-- unlikely to be used in this case -->
                                                                       <f:passThroughAttribute name="data-cvoc-managedfields" value="#{cvocConf.get(cvPart.key.datasetFieldType.id).get('managedfields').toString()}" />
@@ -156,6 +159,7 @@
                                                                       rendered="${cvocOnDsf and cvPart.key.datasetFieldType.name.equals(cvocConf.get(dsf.datasetFieldType.id).getString('term-uri-field'))}">
                                                                       <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(dsf.datasetFieldType.id).getString('languages'))}" />
                                                                       <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(dsf.datasetFieldType.id).getString('cvoc-url','')}" />
+                                                                      <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(dsf.datasetFieldType.id).containsKey('headers') ? cvocConf.get(dsf.datasetFieldType.id).get('headers').toString() : '{}'}"/>
                                                                       <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(dsf.datasetFieldType.id).getString('protocol','')}" />
                                                                       <f:passThroughAttribute name="data-cvoc-managedfields" value="#{cvocConf.get(dsf.datasetFieldType.id).get('managedfields').toString()}" />
                                                         </h:outputText>
diff --git a/src/main/webapp/search-include-fragment.xhtml b/src/main/webapp/search-include-fragment.xhtml
index af568170157..2eed454800d 100644
--- a/src/main/webapp/search-include-fragment.xhtml
+++ b/src/main/webapp/search-include-fragment.xhtml
@@ -213,6 +213,7 @@
                                 <c:if test="#{!cvocConf.isEmpty()}">
                                     <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(facetCategory.datasetFieldTypeId).getString('languages'))}" />
                                     <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(facetCategory.datasetFieldTypeId).getString('cvoc-url','')}" />
+                                    <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(facetCategory.datasetFieldTypeId).containsKey('headers') ? cvocConf.get(facetCategory.datasetFieldTypeId).get('headers').toString() : '{}'}"/>
                                     <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(facetCategory.datasetFieldTypeId).getString('protocol','')}" />
                                 </c:if>
                             </h:outputText>
@@ -234,6 +235,7 @@
                                 <c:if test="#{!cvocConf.isEmpty()}">
                                     <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(facetCategory.datasetFieldTypeId).getString('languages'))}" />
                                     <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(facetCategory.datasetFieldTypeId).getString('cvoc-url','')}" />
+                                    <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(facetCategory.datasetFieldTypeId).containsKey('headers') ? cvocConf.get(facetCategory.datasetFieldTypeId).get('headers').toString() : '{}'}"/>
                                     <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(facetCategory.datasetFieldTypeId).getString('protocol','')}" />
                                 </c:if>
                             </h:outputText>
@@ -384,6 +386,7 @@
                         <h:outputText value="#{friendlyNames.get(1)}">
                                 <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(SearchIncludeFragment.getFieldTypeId(friendlyNames.get(0))).getString('languages'))}" />
                                 <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(SearchIncludeFragment.getFieldTypeId(friendlyNames.get(0))).getString('cvoc-url','')}" />
+                                <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(SearchIncludeFragment.getFieldTypeId(friendlyNames.get(0))).containsKey('headers') ? cvocConf.get(SearchIncludeFragment.getFieldTypeId(friendlyNames.get(0))).get('headers').toString() : '{}'}"/>
                                 <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(SearchIncludeFragment.getFieldTypeId(friendlyNames.get(0))).getString('protocol','')}" />
                         </h:outputText>
                         <span class="glyphicon glyphicon-remove"></span>
@@ -621,6 +624,7 @@
                                         <c:if test="#{!cvocConf.isEmpty()}">
                                             <f:passThroughAttribute name="lang" value="#{DatasetPage.getFieldLanguage(cvocConf.get(datasetFieldServiceBean.findByName(highlight.solrField.nameSearchable).id).getString('languages'))}" />
                                             <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvocConf.get(datasetFieldServiceBean.findByName(highlight.solrField.nameSearchable).id).getString('cvoc-url','')}" />
+                                            <f:passThroughAttribute name="data-cvoc-headers" value="#{cvocConf.get(datasetFieldServiceBean.findByName(highlight.solrField.nameSearchable).id).containsKey('headers') ? cvocConf.get(datasetFieldServiceBean.findByName(highlight.solrField.nameSearchable).id).get('headers').toString() : '{}'}"/>
                                             <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvocConf.get(datasetFieldServiceBean.findByName(highlight.solrField.nameSearchable).id).getString('protocol','')}" />
                                         </c:if>
                                     </h:outputText>
diff --git a/src/main/webapp/search/advanced.xhtml b/src/main/webapp/search/advanced.xhtml
index 06e662064e7..24b78ba0dc9 100644
--- a/src/main/webapp/search/advanced.xhtml
+++ b/src/main/webapp/search/advanced.xhtml
@@ -121,6 +121,7 @@
                                                     <p:inputText id="searchValue2" styleClass="form-control" value="#{item.searchValue}" rendered="#{empty item.controlledVocabularyValues}">
                                                         <f:passThroughAttribute name="lang" value="#{AdvancedSearchPage.getFieldLanguage(cvoc.getString('languages'))}"/>
                                                         <f:passThroughAttribute name="data-cvoc-service-url" value="#{cvoc.getString('cvoc-url','')}"/>
+                                                        <f:passThroughAttribute name="data-cvoc-headers" value="#{cvoc.containsKey('headers') ? cvoc.get('headers').toString() : '{}'}"/>
                                                         <f:passThroughAttribute name="data-cvoc-protocol" value="#{cvoc.getString('protocol','')}"/>
                                                         <f:passThroughAttribute name="data-cvoc-filter" value="#{cvoc.getString('term-parent-uri','')}"/>
                                                         <f:passThroughAttribute name="data-cvoc-vocabs" value="#{cvoc.get('vocabs').toString()}"/>