Filling out a passport application is a relatively simple process, but there are a few things to keep in mind. First, be sure to complete the form in black ink. Second, make sure all of the information you provide is accurate and up-to-date. Incorrect or outdated information could cause delays in processing your application. Third, be sure to sign and date the form. Fourth, if you are mailing in your application, be sure to include all of the required supporting documents. These typically include a birth certificate, proof of citizenship, and two passport photos. Finally, make a copy of everything you submit for your own records. Following these simple tips will help ensure that your passport application is processed quickly and smoothly.