Section 9. Notwithstanding any general or special law to the contrary, or any regulation, rule or ordinance, if a petition and plan for witness protection, approved by the witness protection board, requires relocation of a critical witness to another public school within or without of the witness’s current school system, such relocation shall be effectuated without regard to any impediment including, but not limited to, class capacity limits and jurisdictional boundaries of any given school district.