Typically called an SNDA, this type of agreement defines the relationship between the borrower, the lender and the property’s tenant in the event of a default or foreclosure. Subordination means that if the loan is in default, the lease may be terminated; however, the non-disturbance clause is an agreement by the creditor—or other purchaser at foreclosure—to avoid disturbing the tenant’s possession of the property. Attornment obligates the tenant to recognize the creditor or purchaser as the new landlord.