diff --git a/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/GFPDAnnot.java b/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/GFPDAnnot.java
index e02c16a8d..b9a71af6f 100644
--- a/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/GFPDAnnot.java
+++ b/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/GFPDAnnot.java
@@ -308,13 +308,7 @@ public String getAlt() {
 
 	@Override
 	public Boolean getisOutsideCropBox() {
-		double[] cropBox = page.getCropBox();
-		double[] rectangle = ((PDAnnotation)simplePDObject).getRect();
-		if (rectangle != null && rectangle.length >= 4) {
-			return cropBox[1] >= rectangle[3] || cropBox[0] >= rectangle[2]
-					|| cropBox[3] <= rectangle[1] || cropBox[2] <= rectangle[0];
-		}
-		return null;
+        return PDAnnotation.isOutsideCropBox(page, (PDAnnotation)simplePDObject);
 	}
 
 	private static Double getDifference(double[] array, int shift) {
diff --git a/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/actions/GFPDMediaClip.java b/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/actions/GFPDMediaClip.java
index 1f01fda39..f3a5dcd21 100644
--- a/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/actions/GFPDMediaClip.java
+++ b/validation-model/src/main/java/org/verapdf/gf/model/impl/pd/actions/GFPDMediaClip.java
@@ -21,8 +21,6 @@
 package org.verapdf.gf.model.impl.pd.actions;
 
 import org.verapdf.as.ASAtom;
-import org.verapdf.cos.COSArray;
-import org.verapdf.cos.COSObjType;
 import org.verapdf.cos.COSObject;
 import org.verapdf.gf.model.impl.pd.GFPDObject;
 import org.verapdf.model.pdlayer.PDMediaClip;
@@ -51,20 +49,6 @@ public String getAlt() {
 
     @Override
     public Boolean gethasCorrectAlt() {
-        COSObject object = simplePDObject.getKey(ASAtom.ALT);
-        if (object == null || object.getType() != COSObjType.COS_ARRAY) {
-            return false;
-        }
-        COSArray array = (COSArray)object.getDirectBase();
-        if (array.size() % 2 != 0) {
-            return false;
-        }
-        for (int i = 0; i < array.size(); i++) {
-            COSObject elem = array.at(i);
-            if (elem.getType() != COSObjType.COS_STRING || (i % 2 == 1 && elem.getString().isEmpty())) {
-                return false;
-            }
-        }
-        return true;
+        return ((org.verapdf.pd.actions.PDMediaClip)simplePDObject).hasCorrectAlt();
     }
 }
diff --git a/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotation.java b/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotation.java
index 4cf463d5c..6ddb89b07 100644
--- a/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotation.java
+++ b/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotation.java
@@ -92,13 +92,7 @@ public static GFSAAnnotation createAnnot(PDAnnotation annot, PDPage page) {
 
 	@Override
 	public Boolean getisOutsideCropBox() {
-		double[] cropBox = page.getCropBox();
-		double[] rectangle = annot.getRect();
-		if (rectangle != null && rectangle.length >= 4) {
-			return cropBox[1] >= rectangle[3] || cropBox[0] >= rectangle[2]
-			       || cropBox[3] <= rectangle[1] || cropBox[2] <= rectangle[0];
-		}
-		return null;
+        return PDAnnotation.isOutsideCropBox(page, annot);
 	}
 
 	@Override
diff --git a/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotationNode.java b/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotationNode.java
index c96b02b3d..9f1442233 100644
--- a/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotationNode.java
+++ b/wcag-validation/src/main/java/org/verapdf/gf/model/impl/sa/GFSAAnnotationNode.java
@@ -25,8 +25,6 @@
 import org.verapdf.cos.COSObjType;
 import org.verapdf.cos.COSObject;
 import org.verapdf.pd.PDAnnotation;
-import org.verapdf.pd.PDNameTreeNode;
-import org.verapdf.pd.PDNamesDictionary;
 import org.verapdf.pd.PDPage;
 import org.verapdf.pd.actions.PDAction;
 import org.verapdf.tools.StaticResources;
@@ -104,34 +102,6 @@ private static COSObject getDestination(PDAnnotation annot, ASAtom key) {
 		if (destination == null || destination.empty()) {
 			return null;
 		}
-		if (destination.getType() == COSObjType.COS_STRING) {
-			PDNamesDictionary namesDictionary = StaticResources.getDocument().getCatalog().getNamesDictionary();
-			if (namesDictionary == null) {
-				return null;
-			}
-			PDNameTreeNode dests = namesDictionary.getDests();
-			if (dests != null) {
-				destination = dests.getObject(destination.getString());
-				if (destination == null) {
-					return null;
-				}
-			}
-		} else if (destination.getType() == COSObjType.COS_NAME) {
-			COSObject dests = StaticResources.getDocument().getCatalog().getDests();
-			if (dests != null) {
-				destination = dests.getKey(destination.getName());
-				if (destination == null) {
-					return null;
-				}
-			}
-		}
-		if (destination.getType() == COSObjType.COS_DICT) {
-			destination = destination.getKey(key);
-		}
-		COSObject obj = null;
-		if (destination.getType() == COSObjType.COS_ARRAY && destination.size() > 0) {
-			obj = destination.at(0);
-		}
-		return obj;
+		return PDAnnotation.getPageFromDestination(destination, key);
 	}
 }