The Office on Aging prepares letters of condolence and birthday greetings for centenarians (persons 100 years of age or older) and birthday certificates for persons 60–99 years of age. Acknowledgements should be requested at least 14 days prior to the event or occasion. Requests may be made by email to the DC Office on Aging. Please include in your request the following information, the name of the person, the date of birth and the day of the event if applicable. Arrangements should be made to pick-up ceremonial documents and letters of condolence. For more information, you may call (202) 724-5622.