A CMRA is a private business that rents private mailboxes to customers. Acceptance of Appointment.The below letter of appointment can serve as a substitute for a copy of the formal resolution designating an Authorized Agent. There are 7 acceptance letter samples you will see here. They can be used for different purposes. Gov(opens in a new window). Download a free Board of Directors Acceptance Letter template. Use this letter to formally accept your appointment as a director on a company's board. Have authority to fill the vacancies (2004 Ohio Atty. Complete the appropriate employment forms (refer to your appointment letter for instructions on how to complete all necessary paperwork).