; (ii) the Secretary may waive the provisions of subparagraph (A) of section 1902(a)(23) to the extent deemed appropriate to facilitate the implementation of managed care; and (iii) in applying the provisions of section 1902(a)(47) and sections 1920 through 1920C, the Secretary— (I) shall establish a single presumptive eligibility process for individuals eligible under the Federal Medicaid program, under which the Secretary may contract with entities to carry out such process