In addition to any penalty contained in any other provision of law, an individual’s performance of an outside activity that is in violation of Public Officers Law section 73 or 74 may subject him to a civil penalty or other commission action. Nothing herein shall limit or prohibit the State agency, approving authority, or other appropriate entity from taking disciplinary action with respect to violations of this Part or the Public Officers Law, including a fine, suspension without pay, or removal from office or employment in the manner provided by law, regulation, or collective bargaining agreement.