Receive modified terms of your mortgage to make it more affordable or manageable after successfully making the reduced payment during a "trial period" (i.e. To apply for a modification, you must contact your loan servicer.The process starts with filling out some forms. Fill out forms and collect supporting documents. Mortgage modification can help you through difficult times and keep your home. Learn more about our expanded mortgage modification services. A loan modification is the process of permanently changing your existing mortgage so it's easier to manage. Loan Terms: (please fill out all applicable fields). Existing. New. Step 2: Reach out to your lender. The mortgage modification agreement is a legal document between a lender and borrower to change an existing loan's terms.