The initial contract must provide for the possibility of assignment by one of the initial contracting parties. The assignor must agree to assign their rights and duties under the contract to the assignee. The assignee must agree to accept, or "assume," those contractual rights and duties.
How to write a letter of agreement Title the document. Add the title at the top of the document. List your personal information. Include the date. Add the recipient's personal information. Address the recipient. Write an introduction paragraph. Write your body. Conclude the letter.