; and (2) a recommendation regarding whether the Demonstration Project should be continued after fiscal year 2028 and expanded on a national basis. (g) Authorization of appropriations There are authorized to be appropriated such sums as are necessary to carry out this section. (h) Definitions In this section: (1) Alternative payment model The term alternative payment model has the meaning given such term in section 1833(z)(3)(C) of the Social Security Act ( 42 U.S.C. 1395l(z)(3)(C) ). (2) Perinatal The term perinatal means the period beginning on the day an individual becomes pregnant and ending on the last day of the 1-year period beginning on the last day of such individual’s pregnancy.