Unless the individual with a disability so requests, or, in an appropriate case, the individual’s representative, so requests, pending a decision by a mediator, hearing officer, or reviewing officer under this subsection, the designated State unit shall not institute a suspension, reduction, or termination of services being provided for the individual, including evaluation and assessment services and plan development, unless such services have been obtained through misrepresentation, fraud, collusion, or criminal conduct on the part of the individual, or the individual’s representative.