Step one: Gather documents that need to be authenticated. Step two: Gather the required items: cover letter, payment, and self-addressed stamped mailer.These writing guidelines apply to both email content and letters written as a document. There are just some formatting differences. To make the acknowledgment valid, it must include the words. "acknowledged before me. Purpose: Use this document to form your Virginia LLC. Filing Options: You may submit this form three ways: 1. Attaching a cover letter as a PDF is generally preferred, as it preserves the formatting and ensures that the document appears professional. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips.