1 files changed, 8 insertions, 1 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/api/sign/pos/SignaturePositioning.java b/src/main/java/at/gv/egiz/pdfas/api/sign/pos/SignaturePositioning.java
index 42b02eb..1368fcd 100644
--- a/src/main/java/at/gv/egiz/pdfas/api/sign/pos/SignaturePositioning.java
+++ b/src/main/java/at/gv/egiz/pdfas/api/sign/pos/SignaturePositioning.java
@@ -3,6 +3,7 @@
  */
 package at.gv.egiz.pdfas.api.sign.pos;
 
+import java.io.Serializable;
 import java.util.StringTokenizer;
 
 import at.gv.egiz.pdfas.api.sign.pos.axis.AbsoluteAxisAlgorithm;
@@ -25,8 +26,14 @@ import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
  * 
  * @author wprinz
  */
-public class SignaturePositioning
+public class SignaturePositioning implements Serializable
 {
+  
+  /**
+    * 
+    */
+  private static final long serialVersionUID = 1L;
+
   /**
    * The x axis algorithm.
    *