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diff --git a/src/org/jivesoftware/smackx/packet/DelayInformation.java b/src/org/jivesoftware/smackx/packet/DelayInformation.java
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+/**
+ * $RCSfile$
+ * $Revision$
+ * $Date$
+ *
+ * Copyright 2003-2007 Jive Software.
+ *
+ * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jivesoftware.smackx.packet;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+import org.jivesoftware.smack.packet.PacketExtension;
+
+/**
+ * Represents timestamp information about data stored for later delivery. A DelayInformation will 
+ * always includes the timestamp when the packet was originally sent and may include more 
+ * information such as the JID of the entity that originally sent the packet as well as the reason
+ * for the delay.<p>
+ * 
+ * For more information see <a href="http://xmpp.org/extensions/xep-0091.html">XEP-0091</a>
+ * and <a href="http://xmpp.org/extensions/xep-0203.html">XEP-0203</a>.
+ * 
+ * @author Gaston Dombiak
+ */
+public class DelayInformation implements PacketExtension {
+
+    /**
+     * Date format according to the obsolete XEP-0091 specification.
+     * XEP-0091 recommends to use this old format for date-time instead of
+     * the one specified in XEP-0082.
+     * <p>
+     * Date formats are not synchronized. Since multiple threads access the format concurrently,
+     * it must be synchronized externally. 
+     */
+    public static final DateFormat XEP_0091_UTC_FORMAT = new SimpleDateFormat(
+            "yyyyMMdd'T'HH:mm:ss");
+    static {
+        XEP_0091_UTC_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
+    }
+
+    private Date stamp;
+    private String from;
+    private String reason;
+
+    /**
+     * Creates a new instance with the specified timestamp. 
+     * @param stamp the timestamp
+     */
+    public DelayInformation(Date stamp) {
+        super();
+        this.stamp = stamp;
+    }
+
+    /**
+     * Returns the JID of the entity that originally sent the packet or that delayed the 
+     * delivery of the packet or <tt>null</tt> if this information is not available.
+     * 
+     * @return the JID of the entity that originally sent the packet or that delayed the 
+     *         delivery of the packet.
+     */
+    public String getFrom() {
+        return from;
+    }
+
+    /**
+     * Sets the JID of the entity that originally sent the packet or that delayed the 
+     * delivery of the packet or <tt>null</tt> if this information is not available.
+     * 
+     * @param from the JID of the entity that originally sent the packet.
+     */
+    public void setFrom(String from) {
+        this.from = from;
+    }
+
+    /**
+     * Returns the timestamp when the packet was originally sent. The returned Date is 
+     * be understood as UTC.
+     * 
+     * @return the timestamp when the packet was originally sent.
+     */
+    public Date getStamp() {
+        return stamp;
+    }
+
+    /**
+     * Returns a natural-language description of the reason for the delay or <tt>null</tt> if 
+     * this information is not available.
+     * 
+     * @return a natural-language description of the reason for the delay or <tt>null</tt>.
+     */
+    public String getReason() {
+        return reason;
+    }
+
+    /**
+     * Sets a natural-language description of the reason for the delay or <tt>null</tt> if 
+     * this information is not available.
+     * 
+     * @param reason a natural-language description of the reason for the delay or <tt>null</tt>.
+     */
+    public void setReason(String reason) {
+        this.reason = reason;
+    }
+
+    public String getElementName() {
+        return "x";
+    }
+
+    public String getNamespace() {
+        return "jabber:x:delay";
+    }
+
+    public String toXML() {
+        StringBuilder buf = new StringBuilder();
+        buf.append("<").append(getElementName()).append(" xmlns=\"").append(getNamespace()).append(
+                "\"");
+        buf.append(" stamp=\"");
+        synchronized (XEP_0091_UTC_FORMAT) {
+            buf.append(XEP_0091_UTC_FORMAT.format(stamp));
+        }
+        buf.append("\"");
+        if (from != null && from.length() > 0) {
+            buf.append(" from=\"").append(from).append("\"");
+        }
+        buf.append(">");
+        if (reason != null && reason.length() > 0) {
+            buf.append(reason);
+        }
+        buf.append("</").append(getElementName()).append(">");
+        return buf.toString();
+    }
+
+}