住房贷款利息专项附加扣除怎么扣？10个问答一次讲清~

Group 1 - The article discusses the time frame for taxpayers to enjoy housing loan interest deductions, which cannot exceed 240 months. Taxpayers can still deduct interest if they are in repayment after 2019, provided they meet the conditions [4]. - Taxpayers can only enjoy the housing loan interest deduction once. If a taxpayer has claimed a deduction for one property, they cannot claim it for another, regardless of the duration or ownership status of the property [4]. - If a taxpayer has not previously claimed a housing loan interest deduction, they can enjoy the deduction for a second property purchased with a loan at the first property’s interest rate [4]. Group 2 - Taxpayers who have previously not enjoyed the housing loan interest deduction can start claiming it from the month they begin repayment at the first property’s interest rate [4]. - For properties purchased with a combination of public housing fund and commercial loans, the taxpayer can enjoy the housing loan interest deduction if the public fund is issued at the first property loan rate [4].