The amendments made by this subsection shall apply to plan years beginning on or after the date that is 1 year after the date of the enactment of this Act. (g) Nonpreemption of State laws that provide greater coverage Nothing in the provisions of, or the amendments made by, this section shall preempt a State law that requires coverage of medically necessary food (as defined in subsection (lll) of section 1861 of the Social Security Act, as added by subsection (a)) that exceeds the requirements for coverage under such provisions and amendments. (h) Medically necessary nutrition coverage includes combinations and supplies Nothing in the provisions of, or the amendments made by, this section shall limit coverage of a medically necessary food (as defined in subsection (lll) of section 1861 of the Social Security Act, as added by subsection (a)) or the medical equipment and supplies necessary to administer such food when prescribed, ordered, or recommended in combination with another medically necessary food (as so defined) or other necessary medical equipment and supplies.