Mortgage tax rebate means that when calculating personal income tax, those who meet the special additional deduction conditions of housing loan interest can apply for mortgage tax rebate.

According to Article 14 of the Interim Measures for Special Additional Deduction of Individual Income Tax, if a taxpayer or his spouse uses a personal housing loan from a commercial bank or housing accumulation fund to buy a house for himself or his spouse in China, the interest expenses incurred from the first housing loan shall be deducted according to the standard quota of 1 000 yuan per month in the year when the loan interest actually occurs, and the maximum deduction period shall not exceed 240 months.

Taxpayers can only enjoy a first home loan interest deduction. The term "first home loan" as mentioned in these Measures refers to the housing loan that enjoys the interest rate of the first home loan when buying a house.