an expression that equates with a clear mandate of public policy and if they can show that they were discharged in violation of that public policy. Id. at 72-73, 417 A.2d 505. Sources of public policy include the United States and New Jersey Constitutions; federal and state laws and administrative rules, regulations, and decisions; the common law and specific judicial decisions; and in certain cases, professional .codes of ethics. Hennessey v. Coastal Eagle Point Oil Co., 129 N.J. 81, 92-93, 94-95, 609 A.2d 11 (1992); Pierce, supra, 84 N.J. at 72, 417 A.2d 505. A basic requirement of the wrongful discharge cause of action is that the mandate of public policy be clearly identified and firmly grounded. See, e.g., Potter v. Village Bank, 225 N.J.Super. 547, 558-60, 543 A.2d 80 (App.Div.) (<HOLDING>), certif. denied, 113 N.J. 352, 550 A.2d 462
holding that an employee has no right of action against an employer for wrongful discharge where no clear mandate of public policy is violated thereby recognizing the tort of retaliatory discharge holding employee has cause of action for retaliatory discharge in contravention of public policy where employee was fired for reporting fellow employees alleged criminal activities to local law enforcement holding that federal law can provide source of state public policy for determining whether discharge of employee violated clear mandate of public policy holding that discharge of bank president for reporting suspected illegal money laundering by bank directors violated clear mandate of public policy few people would cooperate with law enforcement officials if the price they must pay is retaliatory discharge from employment