diff --git a/render-app/src/main/java/org/janelia/alignment/spec/TransformSpecMetaData.java b/render-app/src/main/java/org/janelia/alignment/spec/TransformSpecMetaData.java
index 6598a3cf1..a25458f0a 100644
--- a/render-app/src/main/java/org/janelia/alignment/spec/TransformSpecMetaData.java
+++ b/render-app/src/main/java/org/janelia/alignment/spec/TransformSpecMetaData.java
@@ -15,6 +15,9 @@ public class TransformSpecMetaData implements Serializable {
     /** The default label for a lens correction transform. */
     public static final String LENS_CORRECTION_LABEL = "lens";
 
+    /** Indicates that the transform should be included when rendering tiles for point match derivation. */
+    public static final String INCLUDE_LABEL = "include";
+
     private Set<String> labels;
 
     public TransformSpecMetaData() {
diff --git a/render-ws/src/main/java/org/janelia/render/service/TileDataService.java b/render-ws/src/main/java/org/janelia/render/service/TileDataService.java
index 5db7c479d..9aac5e25b 100644
--- a/render-ws/src/main/java/org/janelia/render/service/TileDataService.java
+++ b/render-ws/src/main/java/org/janelia/render/service/TileDataService.java
@@ -1,7 +1,8 @@
 package org.janelia.render.service;
 
 import java.net.UnknownHostException;
-import java.util.Collections;
+import java.util.Arrays;
+import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 
@@ -331,10 +332,13 @@ static RenderParameters getCoreTileRenderParameters(final Integer xOffset,
 
         } else if (useLegacyNormalization) {
 
-            if (tileSpec.hasTransformWithLabel(TransformSpecMetaData.LENS_CORRECTION_LABEL)) {
+            if (tileSpec.hasTransformWithLabel(TransformSpecMetaData.LENS_CORRECTION_LABEL) ||
+                tileSpec.hasTransformWithLabel(TransformSpecMetaData.INCLUDE_LABEL)) {
 
                 // Handle a legacy client request for a stack that has labelled transforms ...
-                tileSpec.flattenAndFilterTransforms(null, EXCLUDE_AFTER_LENS, null);
+                tileSpec.flattenAndFilterTransforms(null,
+                                                    EXCLUDE_AFTER_LENS_OR_INCLUDE,
+                                                    null);
 
             } else {
 
@@ -457,6 +461,7 @@ private RenderParameters getRawTileRenderParameters(final String owner,
 
     private static final Logger LOG = LoggerFactory.getLogger(TileDataService.class);
 
-    private static final Set<String> EXCLUDE_AFTER_LENS =
-            Collections.singleton(TransformSpecMetaData.LENS_CORRECTION_LABEL);
+    private static final Set<String> EXCLUDE_AFTER_LENS_OR_INCLUDE =
+            new HashSet<>(Arrays.asList(TransformSpecMetaData.LENS_CORRECTION_LABEL,
+                                        TransformSpecMetaData.INCLUDE_LABEL));
 }