Name of Person to Whom Letter Was Sent. A proof of residency letter is an acknowledgment or sworn statement stating that an individual resides at a specific address.Adding a name to a title - To add a name to the title, please complete the assignment section on the reverse side of the title with both names where. How do you write an Affidavit of Character letter? In the sentence, the person writing the statement must state that he or she is stating that the information is accurate. How to write an affidavit? Does an affidavit have to be notarized? In the top left corner of the affidavit, write the state and county where you are executing the affidavit. General affidavit form for use within the State of Maryland. Modify this affidavit to meet your specific needs.