1. Short title This Act may be cited as the United States Semiquincentennial Commission Amendments Act of 2020 . 2. United States Semiquincentennial Commission (a) Establishment of Commission Section 4 of the United States Semiquincentennial Commission Act of 2016 ( Public Law 114–196 ; 130 Stat. 685) is amended— (1) in subsection (b)(4), by striking subparagraph (I) and inserting the following: (I) The Chairperson of the National Endowment for the Arts. (J) The Chairperson of the National Endowment for the Humanities. (K) The Director of the Institute of Museum and Library Services. (L) (i) The Chief Justice of the United States; or (ii) an Associate Justice or former Associate Justice appointed by the Chief Justice of the United States. ; (2) in subsection (c), by adding at the end the following: (3) Removal of members who are private citizens Following notice and approval of the relevant appointing authority, on an affirmative vote of not less than 2/3 of the members of the Commission, the Commission may remove a member of the Commission appointed under subsection (b)(3). ; and (3) in subsection (d)— (A) by striking All meetings and inserting the following: (1) Location of first meeting The first meeting ; and (B) by adding at the end the following: (2) Location of subsequent meetings At least 1 meeting of the Commission each year shall be held in Philadelphia, Pennsylvania. . (b) Duties Section 5(c)(1) of the United States Semiquincentennial Commission Act of 2016 ( Public Law 114–196 ; 130 Stat. 687) is amended by striking 2 years after the date of enactment of this Act and inserting March 31, 2020 . (c) Coordination Section 6(b) of the United States Semiquincentennial Commission Act of 2016 ( Public Law 114–196