diff --git a/src/main/resources/swagger.api/schemas/authority-storage/authorityDto.yaml b/src/main/resources/swagger.api/schemas/authority-storage/authorityDto.yaml
index 49703bf1..d0d83717 100644
--- a/src/main/resources/swagger.api/schemas/authority-storage/authorityDto.yaml
+++ b/src/main/resources/swagger.api/schemas/authority-storage/authorityDto.yaml
@@ -149,21 +149,25 @@ properties:
     description: See also from tracing term that represents broader, more general concepts related to the authority record
     items:
       $ref: './relatedHeading.yaml'
+    x-field-extra-annotation: "@com.fasterxml.jackson.annotation.JsonInclude(com.fasterxml.jackson.annotation.JsonInclude.Include.NON_EMPTY)"
   saftNarrowerTerm:
     type: array
     description: See also from tracing term that that represents narrower, more specific concepts derived from the authority record
     items:
       $ref: './relatedHeading.yaml'
+    x-field-extra-annotation: "@com.fasterxml.jackson.annotation.JsonInclude(com.fasterxml.jackson.annotation.JsonInclude.Include.NON_EMPTY)"
   saftEarlierHeading:
     type: array
     description: See also from tracing heading that was previously used to represent the concept or entity described by the authority record. This field is used to track the evolution of terms or headings over time, facilitating the linking of historical and current data.
     items:
       $ref: './relatedHeading.yaml'
+    x-field-extra-annotation: "@com.fasterxml.jackson.annotation.JsonInclude(com.fasterxml.jackson.annotation.JsonInclude.Include.NON_EMPTY)"
   saftLaterHeading:
     type: array
     description: See also from tracing heading that replaced the current heading used in the authority record. This field helps in maintaining the continuity of catalog records by linking past headings to their more current versions.
     items:
       $ref: './relatedHeading.yaml'
+    x-field-extra-annotation: "@com.fasterxml.jackson.annotation.JsonInclude(com.fasterxml.jackson.annotation.JsonInclude.Include.NON_EMPTY)"
   identifiers:
     type: array
     description: An extensible set of name-value pairs of identifiers associated with the resource
diff --git a/src/test/java/org/folio/entlinks/controller/converter/AuthorityMapperTest.java b/src/test/java/org/folio/entlinks/controller/converter/AuthorityMapperTest.java
index 108f2123..e12439ff 100644
--- a/src/test/java/org/folio/entlinks/controller/converter/AuthorityMapperTest.java
+++ b/src/test/java/org/folio/entlinks/controller/converter/AuthorityMapperTest.java
@@ -8,7 +8,11 @@
 import static org.folio.support.base.TestConstants.TEST_ID;
 import static org.folio.support.base.TestConstants.TEST_PROPERTY_VALUE;
 import static org.folio.support.base.TestConstants.TEST_VERSION;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import java.util.ArrayList;
 import java.util.List;
 import org.folio.entlinks.domain.dto.AuthorityDto;
@@ -298,4 +302,21 @@ private static AuthorityDto createAuthorityDto() {
     dto.setSourceFileId(TEST_ID);
     return dto;
   }
+
+  @Test
+  void serializedDtoShouldNotContainEmptyArraysForExtendedFields() throws JsonProcessingException {
+
+    String serializedDto = new ObjectMapper().writeValueAsString(new AuthorityDto());
+
+    assertTrue(serializedDto.contains("\"saftGenreTerm\""),
+        "JSON should contain 'saftGenreTerm' key when it's an empty array");
+    assertFalse(serializedDto.contains("\"saftBroaderTerm\""),
+        "JSON should not contain 'saftBroaderTerm' key when it's an empty array");
+    assertFalse(serializedDto.contains("\"saftNarrowerTerm\""),
+        "JSON should not contain 'saftNarrowerTerm' key when it's an empty array");
+    assertFalse(serializedDto.contains("\"saftEarlierHeading\""),
+        "JSON should not contain 'saftEarlierHeading' key when it's an empty array");
+    assertFalse(serializedDto.contains("\"saftLaterHeading\""),
+        "JSON should not contain 'saftLaterHeading' key when it's an empty array");
+  }
 }