Households with pre-2012 mortgage loans who choose to transfer the loan to another bank entity lose the ability to deduct IRS loan-related charges.

The collection of personal income tax (IRS) due to taxable persons can deduct an amount corresponding to 15% of the amount borne by any member of the household, up to the limit of 296 euros, with interest on debt for contracts of loans up to December 31, 2011.

Read more (in portuguese): Transfer of mortgage credit prevents the deduction of interest on the IRS