In Lesson 7, we continue walking through the intermediary section regarding permanent and mailing address, taxpayer identification numbers or TINs, global intermediary identification numbers or GIINs, and Qualified Intermediary Employee Identification Numbers or QI-EINs, Withholding Partnership EINs, or WP-EINs, and Withholding Trust EINs, or WT-EINs, and wrapping up the lesson with reference numbers.