Article 2 states that the first use of force in contravention of the UN Charter will be prima facie evidence of aggression .
The Security Council has the authority to determine that given the circumstances aggression has not taken place .
Article 2 states that the first use of force in contravention of the UN Charter will be prima facie evidence of aggression , but the Security Council has the authority to determine that given the circumstances aggression has not taken place .