Hospitals that are not selected for contracting under this article and that have negotiated in good faith to obtain a contract need not fulfill preexisting obligations relating to the provision of inpatient services to Medi-Cal beneficiaries arising under Section 15459 of the Government Code, and subdivision (j) of Section 129050 of, paragraph (4) of subdivision (b) of Section 127175 of, the Health and Safety Code, so long as this article remains in effect.