Learn how to craft an effective affidavit letter with our sample and essential components. I am over the age of 18, and believe in the obligations of an oath.Delivering legal papers is called "service of process". The law says that legal papers have to be "served" (delivered) the right way. Affidavit of support letter is an important letter telling about financial status. CitizenPath has prepared a downloadable I751 affidavit sample that you can forward to friends who are willing to write a letter of support. VA Form 21-10210, Lay Witness Statement, can be used to supplement a new benefits claim, an appeal, or a request for a higher disability rating. Whenever any legal papers are served, the person serving the papers must fill out a written form that says how the papers were served. CitizenPath has prepared a downloadable I751 affidavit sample that you can forward to friends who are willing to write a letter of support. In the sentence, the person writing the statement must state that he or she is stating that the information is accurate.