(FOR USE WITH PRE-LOAN AGREEMENT FORMS). Fill in the date, names of the lender and borrower." Access the Loan Assumption Request Form. This Addendum is attached to and made a part of the Offer to Purchase and Contract ("Contract") between Seller and Buyer for the. Property. Thinking of taking on a mortgage from a family member? Then you'll likely look into a mortgage assumption agreement. I will provide a copy. ( ) A deed has been prepared but not recorded. Obtain the loan assumption agreement from the current loan holder and review it carefully. Schedule I Mortgage Loan Schedule. S-1. -i-.