diff --git a/AstuteSystem/src/main/java/com/astute/service/InvoiceService.java b/AstuteSystem/src/main/java/com/astute/service/InvoiceService.java
index d49cad1..b1255a5 100644
--- a/AstuteSystem/src/main/java/com/astute/service/InvoiceService.java
+++ b/AstuteSystem/src/main/java/com/astute/service/InvoiceService.java
@@ -60,4 +60,12 @@ public class InvoiceService extends Service{
             throws AstuteException {
         return getDao().generateInvoiceNumber(poNum);
     }
+
+    public void submitInvoice(String InvoiceNumber) throws AstuteException {
+        getDao().submitInvoice(InvoiceNumber);
+    }
+
+    public void voidInvoice(String InvoiceNumber) throws AstuteException {
+        getDao().voidInvoice(InvoiceNumber);
+    }
 }