; (II) the deterrent goals of any statute underlying a workplace claim would be served; or (III) such extension would otherwise further the interests of justice. (iii) Definitions In this paragraph: (I) Material witness Notwithstanding any other provision of law, the term material witness means an individual who presents a declaration from an attorney investigating, prosecuting, or defending the workplace claim or from the presiding officer overseeing the workplace claim attesting that, to the best of the declarant’s knowledge and belief, reasonable cause exists to believe that the testimony of the individual will be relevant to the outcome of the workplace claim. (II) Workplace claim The term workplace claim means any written or oral claim, charge, complaint, or grievance filed with, communicated to, or submitted to the employer, a Federal, State, or local agency or court, or an employee representative related to the violation of applicable Federal, State, and local labor laws, including laws concerning wages and hours, labor relations, family and medical leave, occupational health and safety, civil rights, or nondiscrimination. . 4. Authorization of appropriations There are authorized to be appropriated such sums as may be necessary to carry out this Act and the amendments made by this Act.