Sample Letter #1
I am truly sorry and very embarrassed about not finishing the report by the deadline. I know you are eager to have the entire study completed by June 1, so I am working nights to have this to you by May 25. You can count on it being delivered by special mail on or before that date. I will do everything I can to make this project a success. I appreciate the opportunity to work on it, and I thank you for your patience.
Sample Letter #2
My response to your January 5 survey is enclosed. I apologize for missing your January 15 deadline. Our students returned to school on January 7, and I have been very busy with the new semester. Still, I have made every effort to give you accurate information. Even though my response is late, I hope you will be able to use it in your final document.