Identification Number and Certification, can be used for this purpose.
See Divided use of your home under Qualified Home in Part I. It's here that I did a double take, and noticed what was also playing, in the same theater. The rented part of your home is used by the tenant primarily for residential living. Divide the amount on line 1 by the amount on line 2. However, if you both consent in writing, then one spouse can take both the main home and a second home into account. In this case, deduct the interest on the form or schedule to which it applies. Acquiring an interest in a home because of a divorce.
Identification Number and Certification, can be used for this purpose. See chapter 5 of Publication 535 for details on these rules. After that, you treat it as home acquisition debt or home equity debt, depending on how you used the proceeds. Everything Home Loan, from 125 Home Equity Loan to Year Home Loan.