DHA-73 Passport Application Form. Please note that both parents should sign the DHA 73.• Copy of Passport. • Copy of South African Unabridged Birth Certificate. Provide a photo identification document (ID) when applying in person if you are: Over age 18; A parent or guardian applying with your child. The mission of the U.S. Embassy is to advance the interests of the United States, and to serve and protect U.S. citizens in Germany. Passport, National ID. ID Number.