Operational: Practical Implementation Module 14: 1042-S Walkthrough Lesson 3: Form 1042-S Walkthrough Part 1 Lesson 3: Form 1042-S Walkthrough Part 1 Lesson 3 begins our line by line discussion of Form 1042-S, starting with the titles and heading of the form. We also talk about requirements that are specific to Form 1042-S, such as the Unique Form Identifier. Lesson Resources Video Transcript Audio Previous Lesson Back to Module Next Lesson