Members, retirees, former members with system credit, or spouses and beneficiaries thereof may not rely on verbal communications or advice given by DARS staff, DARS trustees and/or DARS consultants concerning DARS benefits, laws, or related matters. Any verbal communications or advice given on such matters shall not be deemed to be binding on the DARS system, the DARS Board of Trustees, or the State of Louisiana unless confirmed in writing and approved by the DARS Board of Trustees or the DARS Director. Whether verbal or written, communications or advice contrary to statutory law or controlling judicial precedent shall not be binding on the DARS system, the DARS Board of Trustees, or the State of Louisiana.