>
 <td class='detail'>date</td>
 <td class='detail' align='right'>13</td>
 <td class='detail' align='center'></td>
 <td class='detail' align='center'></td>
 <td class='detail'></td>
 <td class='detail'></td>
 <td class='detail'> </td>
 <td class='comment detail'>The date when the concept became invalid because it was deleted or superseded (updated) by a new Concept. The default value is 31-Dec-2099.</td>
</tr>
<tr class='odd'>
 <td class='detail'>invalid_reason</td>
 <td class='detail'>varchar</td>
 <td cla