RSL Letters after July 26, 2007The following Realty Services Letters were issued after July 26, 2007. Unless otherwise mentioned within a Letter, these procedures and practices are mandatory. RSLs often cover more than one subject, and there may be more than one RSL that applies to a particular subject with the latest modifying some portion of an earlier issuance. It is the responsibility of the Realty Professional to be familiar with each RSL.