These two declaration methods are:

1. Declared by withholding agent

2. Self-declaration of comprehensive annual income.

Select 1. Through the withholding agent's declaration, the work unit will operate on your behalf, and the unit will get the relevant information you declare.

Option 2. Self-declaration of comprehensive annual income.

Legal basis: Notice of the State Council Municipality on Printing and Distributing the Interim Measures for Special Additional Deduction of Individual Income Tax Article 14 If taxpayers and their spouses use personal housing loans from commercial banks or housing accumulation funds to buy houses for themselves or their spouses in China, the interest expenses incurred from the first housing loan shall be deducted according to the standard 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.