<li>The sub-theme is automatically added to the IMSMA Themes.</li>
{{note| Once a sub-theme has been assigned to a blank row, that row cannot be unassigned (made blank) again. It can only be reassigned to another sub-theme. }}{{Warning | The sub-theme assignments are '''not''' stored in the IMSMA database. They are stored in the file ''C:\IMSMAng\client\conf\UserPrefs.props''. The file is included in the ''Map Data'' option of backup and restore.}}
<li>Define the sub-theme in the imsma.mxd.</li>