; and (B) is a member of a family whose self-certified income is not more than 200 percent of the Federal poverty line. (4) Federal poverty line The term Federal poverty line means the Federal poverty line as defined by the Office of Management and Budget and revised annually in accordance with section 673(2) of the Omnibus Budget Reconciliation Act of 1981 applicable to a family of the size involved. (5) Low-income The term low-income , with respect to a family, means a family whose self-certified income is not more than 200 percent of the Federal poverty line. (i) Authorization of appropriations (1) In general To carry out this section, there is authorized to be appropriated $100,000,000 for each of fiscal years 2020 through 2023. (2) Availability of funds Funds provided to a grantee under this section for a fiscal year may be expended by the grantee only in such fiscal year or the succeeding fiscal year. . 3. Improving access to diapers for medically complex children Section 1915(c) of the Social Security Act ( 42 U.S.C. 1396n(c) ) is amended by adding at the end the following new paragraph: (11) (A) In the case of any waiver under this subsection that provides medical assistance to a medically complex child who has been diagnosed with bowel or bladder incontinence, a bowel or bladder condition that causes excess urine or stool (such as short gut syndrome or diabetes insipidus), or a severe skin condition that causes skin erosions (such as epidermolysis bullosa), such medical assistance shall include, for the duration of the waiver, the provision of 200 medically necessary diapers per month and diapering supplies. Such medical assistance may include the provision of medically necessary diapers in amounts greater than 200 if a licensed health care provider (such as a physician, nurse practitioner, or physician assistant) specifies that such greater amounts are necessary for such medically complex child. (B) For purposes of this paragraph— (i) the term medically complex child means an individual who is at least