; and (B) to permit all visas to be distributed in accordance with this section. 3. Ending immigrant visa backlog (a) In general In addition to any immigrant visa made available under the Immigration and Nationality Act ( 8 U.S.C. 1101 et seq.), as amended by this Act, subject to paragraphs (1) and (2), the Secretary of State shall make immigrant visas available to— (1) aliens who are beneficiaries of petitions filed under subsection (b) of section 203 of such Act ( 8 U.S.C. 1153 ) before the date of the enactment of this Act; and (2) aliens who are beneficiaries of petitions filed under subsection (a) of such section before the date of the enactment of this Act. (b) Allocation of visas The visas made available under this section shall be allocated as follows: (1) Employment-sponsored immigrant visas In each of fiscal years 2020 through 2024, the Secretary of State shall allocate to aliens described in subsection (a)(1) a number of immigrant visas equal to 1⁄5 of the number of aliens described in such subsection the visas of whom have not been issued as of the date of the enactment of this Act. (2) Family-sponsored immigrant visas In each of fiscal years 2020 through 2024, the Secretary of State shall allocate to aliens described in subsection (a)(2) a number of immigrant visas equal to 1⁄5 of the difference between— (A) the number of aliens described in such subsection the visas of whom have not been issued as of the date of the enactment of this Act