diff --git a/src/main/java/ca/uhn/fhir/jpa/starter/FhirServerConfigCommon.java b/src/main/java/ca/uhn/fhir/jpa/starter/FhirServerConfigCommon.java
index a396ee4..f347915 100644
--- a/src/main/java/ca/uhn/fhir/jpa/starter/FhirServerConfigCommon.java
+++ b/src/main/java/ca/uhn/fhir/jpa/starter/FhirServerConfigCommon.java
@@ -28,6 +28,9 @@ public class FhirServerConfigCommon {
 
     private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(FhirServerConfigCommon.class);
 
+    private Boolean autoCreatePlaceholderReferenceTargets = HapiProperties.getAutoCreatePlaceholderReferenceTargets();
+    private Boolean enforceReferentialIntegrityOnWrite = HapiProperties.getEnforceReferentialIntegrityOnWrite();
+    private Boolean enforceReferentialIntegrityOnDelete = HapiProperties.getEnforceReferentialIntegrityOnDelete();
     private Boolean allowContainsSearches = HapiProperties.getAllowContainsSearches();
     private Boolean allowMultipleDelete = HapiProperties.getAllowMultipleDelete();
     private Boolean allowExternalReferences = HapiProperties.getAllowExternalReferences();
@@ -82,6 +85,9 @@ public class FhirServerConfigCommon {
     public DaoConfig daoConfig() {
         DaoConfig retVal = new DaoConfig();
 
+        retVal.setAutoCreatePlaceholderReferenceTargets(this.autoCreatePlaceholderReferenceTargets);
+        retVal.setEnforceReferentialIntegrityOnWrite(this.enforceReferentialIntegrityOnWrite);
+        retVal.setEnforceReferentialIntegrityOnDelete(this.enforceReferentialIntegrityOnDelete);
         retVal.setAllowContainsSearches(this.allowContainsSearches);
         retVal.setAllowMultipleDelete(this.allowMultipleDelete);
         retVal.setAllowExternalReferences(this.allowExternalReferences);
diff --git a/src/main/java/ca/uhn/fhir/jpa/starter/HapiProperties.java b/src/main/java/ca/uhn/fhir/jpa/starter/HapiProperties.java
index 81fd2e0..8b3bfeb 100644
--- a/src/main/java/ca/uhn/fhir/jpa/starter/HapiProperties.java
+++ b/src/main/java/ca/uhn/fhir/jpa/starter/HapiProperties.java
@@ -16,7 +16,10 @@ import java.util.stream.Collectors;
 import static org.apache.commons.lang3.StringUtils.*;
 
 public class HapiProperties {
-    public static final String BINARY_STORAGE_ENABLED = "binary_storage.enabled";
+    static final String AUTO_CREATE_PLACEHOLDER_REFERENCE_TARGETS = "auto_create_placeholder_reference_targets";
+    static final String ENFORCE_REFERENTIAL_INTEGRITY_ON_WRITE = "enforce_referential_integrity_on_write";
+    static final String ENFORCE_REFERENTIAL_INTEGRITY_ON_DELETE = "enforce_referential_integrity_on_delete";
+    static final String BINARY_STORAGE_ENABLED = "binary_storage.enabled";
     static final String ALLOW_EXTERNAL_REFERENCES = "allow_external_references";
     static final String ALLOW_MULTIPLE_DELETE = "allow_multiple_delete";
     static final String ALLOW_PLACEHOLDER_REFERENCES = "allow_placeholder_references";
@@ -377,8 +380,19 @@ public class HapiProperties {
     }
 
     public static boolean getGraphqlEnabled() {
-        return HapiProperties.getBooleanProperty(GRAPHQL_ENABLED, true);
+      return HapiProperties.getBooleanProperty(GRAPHQL_ENABLED, true);
     }
 
+    public static boolean getEnforceReferentialIntegrityOnDelete() {
+      return HapiProperties.getBooleanProperty(ENFORCE_REFERENTIAL_INTEGRITY_ON_DELETE, true);
+    }
+
+    public static boolean getEnforceReferentialIntegrityOnWrite() {
+      return HapiProperties.getBooleanProperty(ENFORCE_REFERENTIAL_INTEGRITY_ON_WRITE, true);
+    }
+
+    public static boolean getAutoCreatePlaceholderReferenceTargets() {
+      return HapiProperties.getBooleanProperty(AUTO_CREATE_PLACEHOLDER_REFERENCE_TARGETS, true);
+    }
 }
 
diff --git a/src/main/resources/hapi.properties b/src/main/resources/hapi.properties
index a29ca68..0b92af1 100644
--- a/src/main/resources/hapi.properties
+++ b/src/main/resources/hapi.properties
@@ -13,6 +13,9 @@ fhir_version=R4
 # accessible from the server itself.
 server_address=http://localhost:8080/hapi-fhir-jpaserver/fhir/
 
+auto_create_placeholder_reference_targets=true
+enforce_referential_integrity_on_write=true
+enforce_referential_integrity_on_delete=true
 default_encoding=JSON
 etag_support=ENABLED
 reuse_cached_search_results_millis=-1