Answer:
The tenant is purchasing the property as a primary residence by assumption of the debt; therefore, the debt is no longer a business purpose debt. Refer to 226.20(b) and it's Commentary for Reg Z requirements, and also 3500.5(b)(5) for RESPA disclosure requirements. Most likely your assumption will be subject to all new disclosures including HOEPA, HPML, MDIA, etc.
First published on BankersOnline.com 4/26/10