What should be done when preparing the application for sending?
Register with Apple, then read the Prepare for App checklist , if you haven’t signed up yet, the App Store Resource Center lists the available online manuals). This page will also guide you through the process so you know what to expect.
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http://www.macupdate.com/app/mac/35448/app-scanner
There are many checklists available for people publishing iOS apps. Here I found after a quick Google search: http://www.scribd.com/doc/47462278/iOS-App-Submission-Checklist