Not less than once each fiscal year, the commission staff shall perform at least one announced or unannounced inspection for each facility under commission jurisdiction and shall inquire into security, control, conditions, and compliance with the established minimum standards. In addition to regular commission inspections, the staff may visit and conduct special inspections to determine compliance with the established minimum standards. The commission staff shall at any time have access to all parts of each facility; the books, records, data, documents, and accounts pertaining to each facility and to the inmates confined therein; and shall have the right and authority to interview any of the officials of the facility or inmates therein. The sheriff/operator shall assist staff by all means at their disposal to enable them to perform the functions, powers, and duties of their office.