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( P' R7 c7 x/ t3 G% g
from 35% to 42% of gross income. 5 \) }1 k' R) h; s2 z/ F8 J0 fGDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.