Final answer:
The false statement is that the controlled group test is applied on December 31.
Step-by-step explanation:
In this multiple-choice question, you are asked to identify the false statement regarding controlled groups. The false statement is option C) The controlled group test is applied on December 31.
The controlled group test is not applied on a specific date such as December 31. Instead, it is a test that determines whether certain businesses are considered a single employer for tax purposes. It involves examining the ownership structure and relationships between different businesses.