TRUST INCOME REG

WE ARE RUN A CHARITABLE TRUST.IN THIS MONTH WE HAVE PAID PROPERTY TAX FOR OUR RENTED BUILDINGS ABOUT Rs 50000/BUT INCOME FOR THE MONTH OF APRIL 23 IS ONLY Rs 45000/.THIS PAYMENT IS TREATED AS PAID FROM CORPUS OR NOT.BECAUSE APRIL INCOME IS BELOW THE AMOUNT.KINDLY CLARIFY.