Contract modification is a generic term meaning any written change in the terms and scope of the contract. The terms modification and change are often used interchangeably. Contract modifications (frequently referred to as "mods") are common actions for many contracting professionals.
How to write an agreement letter Title your document. Provide your personal information and the date. Include the recipient's information. Address the recipient and write your introductory paragraph. Write a detailed body. Conclude your letter with a paragraph, closing remarks, and a signature. Sign your letter.
Despite their overall flexibility and simplicity, a Modification still must be documented correctly to be enforceable and to maintain the lender's original lien priority.