ATCH 2410 - Green Book HW 1. The Chapter 10 Questions (green book) is the starting point for the Revenue and Collection cycle. 2 Granting credit to the customer must be done by a person 2. When does a customer write-off most often occur? 4. When does the adjustment for bad debts most often occur? s. In terms of handling cash, what duties need to be separated (segregated)? 6. What are the two types of confirmations that are part of the Revenue and Collection cycle