. these types of tdrs result in a write down of the recorded investment and a charge-off if such action has not already taken place . the rate reduction tdr category includes reduced interest rate and interest deferral . the tdrs within this category would result in reductions to future interest income . the other tdr category primarily includes postponement/reduction of scheduled amortization , as well as contractual extensions . in some cases , there have been multiple concessions granted on one loan