diff --git a/base/src/org/adempiere/exceptions/PeriodClosedException.java b/base/src/org/adempiere/exceptions/PeriodClosedException.java
new file mode 100644
index 0000000000..c62814ba7d
--- /dev/null
+++ b/base/src/org/adempiere/exceptions/PeriodClosedException.java
@@ -0,0 +1,36 @@
+/******************************************************************************
+ * Product: Adempiere ERP & CRM Smart Business Solution                       *
+ * Copyright (C) 2008 SC ARHIPAC SERVICE SRL. All Rights Reserved.            *
+ * This program is free software; you can redistribute it and/or modify it    *
+ * under the terms version 2 of the GNU General Public License as published   *
+ * by the Free Software Foundation. This program is distributed in the hope   *
+ * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.           *
+ * See the GNU General Public License for more details.                       *
+ * You should have received a copy of the GNU General Public License along    *
+ * with this program; if not, write to the Free Software Foundation, Inc.,    *
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.                     *
+ *****************************************************************************/
+package org.adempiere.exceptions;
+
+import java.sql.Timestamp;
+
+
+/**
+ * Period Closed Exception.
+ * This exception is throwed by
+ * {@link org.compiere.model.MPeriod#testPeriodOpen(java.util.Properties, Timestamp, int)} and
+ * {@link org.compiere.model.MPeriod#testPeriodOpen(java.util.Properties, Timestamp, String)} methods.
+ * @author Teo Sarca, SC ARHIPAC SERVICE SRL
+ *
+ */
+public class PeriodClosedException extends AdempiereException {
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * 
+	 */
+	public PeriodClosedException(Timestamp dateAcct, String docBaseType) {
+		super("@PeriodClosed@ @Date@="+dateAcct+", @DocBaseType@="+docBaseType);
+	}
+}
diff --git a/base/src/org/compiere/model/MPeriod.java b/base/src/org/compiere/model/MPeriod.java
index b97d1c69b0..e74e25a1cc 100644
--- a/base/src/org/compiere/model/MPeriod.java
+++ b/base/src/org/compiere/model/MPeriod.java
@@ -25,6 +25,7 @@ import java.util.Iterator;
 import java.util.Properties;
 import java.util.logging.Level;
 
+import org.adempiere.exceptions.PeriodClosedException;
 import org.compiere.util.CCache;
 import org.compiere.util.CLogger;
 import org.compiere.util.DB;
@@ -510,4 +511,34 @@ public class MPeriod extends X_C_Period
 		return sb.toString ();
 	}	//	toString
 	
+	/**
+	 * Conventient method for testing if a period is open
+	 * @param ctx
+	 * @param dateAcct
+	 * @param docBaseType
+	 * @throws PeriodClosedException if period is closed
+	 * @see #isOpen(Properties, Timestamp, String)
+	 */
+	public static void testPeriodOpen(Properties ctx, Timestamp dateAcct, String docBaseType)
+	throws PeriodClosedException 
+	{
+		if (!MPeriod.isOpen(ctx, dateAcct, docBaseType)) {
+			throw new PeriodClosedException(dateAcct, docBaseType);
+		}
+	}
+	
+	/**
+	 * Conventient method for testing if a period is open
+	 * @param ctx
+	 * @param dateAcct
+	 * @param C_DocType_ID
+	 * @throws PeriodClosedException
+	 * @see {@link #isOpen(Properties, Timestamp, String)}
+	 */
+	public static void testPeriodOpen(Properties ctx, Timestamp dateAcct, int C_DocType_ID)
+	throws PeriodClosedException
+	{
+		MDocType dt = MDocType.get(ctx, C_DocType_ID);
+		testPeriodOpen(ctx, dateAcct, dt.getDocBaseType());
+	}
 }	//	MPeriod