; (B) any backpay, with interest, to be paid by the labor organization in lieu of the employer; and (C) compensatory damages, including compensation for any special damages sustained as a result of the discrimination, including litigation costs, expert witness fees, and reasonable attorney’s fees. (3) Possible relief Relief in any action under subsection (b) may include punitive damages in an amount not to exceed $250,000. (d) Election of remedies An employee may not seek protection under both this section and another provision of law for the same allegedly unlawful act of the authority. (e) No preemption Nothing in this section preempts or diminishes any other safeguards against discrimination, demotion, discharge, suspension, threats, harassment, reprimand, retaliation, or any other manner of discrimination provided by Federal or State law or provision adopted by an authority created by an interstate Compact. (f) Rights retained by employee Nothing in this section shall be construed to diminish the rights, privileges, or remedies of any employee under any Federal or State law, provision adopted by an authority created by an interstate Compact, or under any collective bargaining agreement. The rights and remedies in this section may not be waived by any agreement, policy, form, or condition of employment. 403. Retirement plans With respect to pension and retirement benefits plans for employees of the Authority— (1) the Authority shall honor all pension obligations for employees retired from the Authority and currently receiving a pension; (2) the Authority shall, for employees who, on the date of enactment of this Act, have accumulated a total of 5 years of employment with the Authority, devise a system which limits those enrolled in the Authority’s pension plan to having not more than 100 percent of base annual salary as the amount counted toward the highest salary level for purposes of calculating pension benefits