Operational: Practical Implementation Module 15: 8966 Walkthrough Lesson 1: Form 8966 Overview Part 1 Lesson 1: Form 8966 Overview Part 1 In Lesson 1, we talk about why we use Form 8966 and how it reports chapter 4 or FATCA information. We also refresh our memories on chapter 4 withholdable payments and Intergovernmental Agreements or IGAs. Lesson Resources Video Transcript Audio Previous Module Back to Module Next Lesson