If any article, section, subsection, clause, or phrase of 501 CMR 17.00 is for any reason held to be unconstitutional, contrary to statute, in excess of the authority of the Executive Office of Public Safety and Security, the Department of Correction, the Sheriff's Department or the Parole Board, or otherwise inoperative, such decision shall not affect the validity of any other article, section, subsection, sentence, clause, or phrase of 501 CMR 17.00
501 CMR, § 17.15