The Keystone Litigation ensures compliance with the many rules and regulations that affect litigious matters. It satisfies our requirement to provide detailed costs information in advance (though this is an ongoing obligation that should remain at the forefront of your mind) and to discuss alternative funding options (see below). The litigation engagement letter also contains other important information including, but not limited to, guidance on the client's duties in relation to disclosure and preservation of documents. Where a matter begins as a non-contentious matter and later becomes contentious, you should warn the client in writing about the costs of litigation and the ways of financing them. The best way to do this is to send the client the appropriate litigation .