No U.S. person may refuse to employ or otherwise discriminate against any U.S. person individual on the basis of race, religion, sex or national origin, discriminate against any U.S. corporation or organisation on the basis of the race, religion, sex or national origin of its owners, officers, directors or employees, or knowingly agree to, require or knowingly agree to require such discrimination, whether on its own initiative or in response to a boycotting country; civil rights laws continue to apply. The prohibition applies only to a U.S. person's activities in U.S. interstate or foreign commerce and only when taken with intent to comply with, further or support an unsanctioned foreign boycott (a boycott being at least one reason for the action).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.