Veterans must provide a VA Benefit Summary Letter, or a letter from their branch of service verifying they are eligible when they apply. The LOA is the government-to-government agreement that identifies the defense articles and services the USG proposes to sell to your country.A. If you are claiming Veterans' preference, the following documentation must be submitted with your application. Who is eligible for the Washington, D.C. Disabled Veterans Homestead Deduction? National Guard Bureau Forms. Download forms before completing them. The official website for the Executive Services Directorate. Chapter 30, 35, or 1606 - contact the VA Benefits Hotline (800-827-1000) to request your Award Letter (or email). Who is eligible for the Washington, D.C. Disabled Veterans Homestead Deduction? A complete list of routine uses may be found in the applicable.