You can fill out forms and sign documents that you receive on your iPhone. After you complete a form, you can add your signature and share it with others.Learn how to use Markup to add your signature to a PDF document on your iPhone. Use the Notes app to scan documents and add signatures on your iPhone or iPad. Scan a document Tap Save or add additional scans to the document. This video will show you how to sign documents with the iPhone and how to sign PDF on iPhone. A quick and easy way to scan and send documents using the Notes app in your iPhone. You can qualify for California LifeLine if your household's total annual gross income is at or less than these annual income limits. TD Auto Finance United States (US), is a financial-services provider for retail consumer and dealer services. To set up direct deposit (ACH) to your account at Fifth Third Bank, you can fill out a Direct Deposit Authorization form here.