All children under the age of 16 should appear in person to apply for an expedited copyright. Parents, preferably both, should be present and should sign the copyright application. Make sure you follow the step-by-step process for children under 16 for the State Department. This will help ensure that you have the proper forms and documents and also help determine the fees. For more in... https://rushedpassport.com/getting-expedited-copyright-for-minors/