Commonwealth Bank of Australia (CommBank) mandated the refinancing of the class A3 notes of its Medallion 2013-1 residential mortgage-backed securities (RMBS) on 24 January. Indications of interest are being taken on the new A3-R tranche, with price guidance in the mid-80s basis points area over bank bills for the new 3.2-year weighted-average life notes. CommBank is leading.