Buyer intends to assume the unpaid principal balance of the existing loan described above for the remainder of the loan term at the. (5) Assumption of existing loan: Insert the approximate principal amount of Seller's existing loan on the Property as of.INTRODUCTION: These guidelines are provided to assist agents and attorneys who are completing the Offer to Purchase and. How would we go about doing that? Edit, sign, and share North Carolina Assumption Agreement of Deed of Trust and Release of Original Mortgagors online. It allows one party to "assume" the rights and responsibilities of the other party.