Index Rules (pdf) Markit has added a new sub-index to CMBX. Starting with the CMBX-NA 4, an "AJ" tranche will be included in the CMBX index. Marketing Presentation (pdf) Paper Confirmation (doc) Paper Confirmation (Novation) (doc) Markit CMBX Rolling Guide (pdf) Standard Terms Supplement (pdf) Please note that the Markit CMBX Standard Terms Document published March 7, 2006 has been amended as of May 16, 2006 to align the definitions of Effective Date with Markit ABX. This amendment has no effect on the economics of any outstanding Markit CMBX trades.