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 range0 q0 r, S/ f) _# U0 `
from 35% to 42% of gross income. 7 h A1 X9 Q& c( Q. ^/ T" K! U" XGDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.