diff --git a/AstuteSystem/src/main/java/com/astute/dao/DAO.java b/AstuteSystem/src/main/java/com/astute/dao/DAO.java
index 19311c2..b39193b 100644
--- a/AstuteSystem/src/main/java/com/astute/dao/DAO.java
+++ b/AstuteSystem/src/main/java/com/astute/dao/DAO.java
@@ -132,6 +132,8 @@ public abstract class DAO {
 
     public abstract List<Customer> getCustomers(String customerId) throws AstuteException;
 
+    public abstract Customer getCustomer(String poNumber) throws AstuteException;
+
     public abstract String createCustomer(String customerId, String customerName, String billToDept, String add1, String add2, String city, String state, int zip, int ziplast4, String email, String phone, String fax) throws AstuteException;
 
     public abstract void updateCustomer(String customerId, String customerName, String billToDept, String add1, String add2, String city, String state, int zip, int ziplast4, String email, String phone, String fax) throws AstuteException;
diff --git a/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java b/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java
index b3d4ce4..d9f362b 100644
--- a/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java
+++ b/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java
@@ -606,7 +606,31 @@ public class SqlDAO extends DAO {
             e.printStackTrace();
             throw new AstuteException(DB_ERROR,e.getMessage());
         }
-}
+    }
+
+    public String getCustomerId(String poNumber) throws AstuteException {
+        String sql = "select po.customer_id from po " +
+                "where po.po_num = '" + poNumber + "'";
+        String custId = null;
+        try {
+            Statement stmt = conn.createStatement();
+            ResultSet resultSet = stmt.executeQuery(sql);
+
+            if(resultSet.next()) {
+                custId = resultSet.getString(1);
+            }
+        } catch (SQLException e) {
+            e.printStackTrace();
+            throw new AstuteException(DB_ERROR,e.getMessage());
+        }
+        return custId;
+    }
+    public Customer getCustomer(String poNumber) throws AstuteException {
+            String customerId = getCustomerId(poNumber);
+            List<Customer> customers = getCustomers(customerId);
+            return customers.get(0);
+    }
+
 
     public String createCustomer(String customerId, String customerName, String billToDept, String add1, String add2, String city, String state, int zip, int ziplast4, String email, String phone, String fax) throws AstuteException {
         try {