Form 3161 at a glance
What it is: Form 3161 06/06 (rev. 06/12) is the Loan Modification Agreement-Single Family-Fannie Mae Uniform Instrument.
A filled-in Form 3161 example: a borrower and a lender modify an adjustable rate loan

How to fill out Form 3161, box by box
The parties, the Security Instrument, the balance, interest and payments

This Loan Modification Agreement (“Agreement”) amends and supplements (1) the Mortgage, Deed of Trust, or Security Deed (the “Security Instrument”) and (2) the adjustable rate note (the “Note”). Enter the day, month and year the Agreement is made, the Borrower (after between) and the Lender; the date of the Security Instrument dated, and recorded in Book or Liber, the page(s), the Name of Records and the County and State, or other jurisdiction; and the Property Address located at. Under 1, enter the date and the Unpaid Principal Balance, consisting of the unpaid amount(s) loaned to Borrower by Lender plus any interest and other amounts capitalized. Under 2, enter the yearly rate at which interest will be charged on the Unpaid Principal Balance, the date it is charged from, and the monthly payments of principal and interest, beginning on the day you enter. The interest rate Borrower will pay may change in accordance with the terms of the Note. Borrower will continue to make monthly payments on the same day of each succeeding month until principal and interest are paid in full, except that, if not sooner paid, the final payment of principal and interest shall be due and payable on the date you enter, which is the present or extended Maturity Date.
More rules for Form 3161
Under 4, Borrower understands and agrees that (a) All the rights and remedies, stipulations, and conditions contained in the Security Instrument relating to default in the making of payments under the Security Instrument shall also apply to default in the making of the modified payments hereunder.
Borrower agrees to make and execute such other documents or papers as may be necessary or required to effectuate the terms and conditions of this Agreement which, if approved and accepted by Lender, shall bind and inure to the heirs, executors, administrators, and assigns of the Borrower.
Common questions about Form 3161
Are there fees?
All costs and expenses incurred by Lender in connection with this Agreement, including recording fees, title examination, and attorney's fees, shall be paid by the Borrower and shall be secured by the Security Instrument, unless stipulated otherwise by Lender.
Sources
[1] Loan Modification Agreement (Providing for Adjustable Interest Rate), Fannie Mae Uniform Instrument Form 3161 06/06 (rev. 06/12) (the Official source link on this page).

