TDSR(Total debt service ratio)=(payment of principal and interest on mortgage+property tax +heating costs+50% of condominium fees+payments on other personal loan)/grss income. TDSR guidelines Currently range) w$ t0 P6 `4 ]0 d4 U1 D
from 35% to 42% of gross income. / \" d& \3 G8 N0 g0 lGDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.