All CS students must adhere to the GMU Honor Code. In addition to this honor code, the computer science department has further honor code policies regarding programming projects, which is detailed below. Your instructor may state further policies for his or her class as well.
The Provost's Office maintains a page on academic integrity, including reports on the issue.
The CS Department has specific CS Honor Code Policies for projects etc.
Last, the CS department has a Statement on Academic Integrity.