Title: 17-60 File Link /csl/17-60/download CSL Letter Types No-Action CSL Divisions DMO CSL Regulation Parts 1.73 37.702 39.12 43.2 CSL Issuance Date Tue, 11/14/2017 - 12:00 Description DMO is issuing a no-action letter that extends relief from the requirement that block trades be executed away from a SEF.