USCIS: “Consular Processing for Overseas Derivative T & U Nonimmigrant Status Family Members: Questions and Answers”

This Q&A fact sheet from USCIS provides information on making the appointment and preparing for the interview for U nonimmigrants who need to consular process.

http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176...