Complete an online form and obtain a personalized letter of acceptance of appointment as director of a corporation. Letter of Acceptance of Appointment.The annual duty to fill out and submit forms like Acceptance of Person to the Appointment to Board of Directors of a Corporation may seem demanding. There are 7 acceptance letter samples you will see here. They can be used for different purposes. A board member offer letter is a formal invitation for an individual to join an organization's board of directors. Learn how to write a professional job offer acceptance email. Acceptance letters can also reduce the employees' misconducts. Ideally, an acceptance letter is enclosed with a complete job description. Board Role and Responsibilities.