; and (2) have uniform hours each day for which such voting occurs. (c) Location of polling places near public transportation To the greatest extent practicable, a State shall ensure that each polling place which allows voting during an early voting period under subsection (a) is located within walking distance of a stop on a public transportation route. (d) Standards (1) In general The Commission shall issue standards for the administration of voting prior to the day scheduled for a Federal election. Such standards shall include the nondiscriminatory geographic placement of polling places at which such voting occurs. (2) Deviation The standards described in paragraph (1) shall permit States, upon providing adequate public notice, to deviate from any requirement in the case of unforeseen circumstances, such as a natural disaster, terrorist attack, or a change in voter turnout. (e) Effective date This section shall apply with respect to elections held on or after January 1, 2020. . (b) Conforming amendment relating to issuance of voluntary guidance by election assistance commission Section 311(b) of such Act ( 52 U.S.C. 21101(b) ) is amended— (1) by striking and at the end of paragraph (2); (2) by striking the period at the end of paragraph (3) and inserting ; and ; and (3) by adding at the end the following new paragraph: (4) in the case of the recommendations with respect to section 304, June 30, 2020. . (c) Clerical amendment The table of contents of such Act, is amended— (1) by redesignating the items relating to sections 304 and 305 as relating to sections 305 and 306; and (2) by inserting after the item relating to section 303 the following new item: Sec. 304. Early voting. .