### Question
How is the term illegal act defined?


### Answer
The term **illegal act** is defined in *15 U.S.C. § 78j* as the following:

> an act or omission that violates any law, or any rule or regulation having the force of law

#### Citation:
  - *15 U.S.C. § 78j*
  - Heading: **CHAPTER 2B-SECURITIES EXCHANGES**

