Under IRC Section 62(e)(18), unlawful discrimination is defined to include: “any provision of Federal, State, or local law, or common law claims permitted under Federal, State, or local law… regulating any aspect of the employment relationship, including claims for wages, compensation, or benefits, or prohibiting the discharge of an employee, the discrimination against an employee, or any other form of retaliation or reprisal against an employee for asserting rights or taking other actions permitted by law.”