global standard valuation methodology changes model approval sally beth discussed houston put together draft valuation methodology changes model approval meeting arranged today go proposal ted murphy tani nath heads research structuring london ted cancelled last minute tani met broadly agreement go need ted input away 2 1 2 weeks going progress front mean time would appreciate comments put together would prefer circulated around houston stage accurately say ted happy global rac perspective likewise still need get houston research comfortable going wait ted chance add feedback least say houston research outstanding others also need consulted would like agree list key people see real contention assuming resourcing likely issue houston may well added outstanding list envisaging risk management work could completed part curve validation questions feedback please let know james