; and (D) to protect and enhance the integrity, accuracy, efficiency, and accessibility of the electoral process for all eligible citizens. 3. Definitions In this Act, the following definitions apply: (1) The term chief State election official means, with respect to a State, the individual designated by the State under section 10 of the National Voter Registration Act of 1993 ( 52 U.S.C. 20509 ) to be responsible for coordination of the responsibilities under that Act. (2) The term State means each of the several States, the District of Columbia, the Commonwealth of Puerto Rico, the United States Virgin Islands, Guam, American Samoa, and the Commonwealth of the Northern Mariana Islands. 4. Automatic registration of individuals turning 18 years of age (a) Requirement Except as provided in subsection (b), the chief State election official of each State shall establish and operate a system of automatic registration for the registration of any eligible individual on the date on which the individual turns 18 in order that the individual may vote in elections for Federal office in the State. (b) Exception The requirement under paragraph (1) shall not apply to a State in which, under a State law in effect continuously on and after the date of the enactment of this section, there is no voter registration requirement for individuals in the State with respect to elections for Federal office. 5. Automatic registration of eligible individuals (a) In general The National Voter Registration Act of 1993 ( 52 U.S.C. 20504 ) is amended by inserting after section 5 the following new section: 5A. Automatic registration by State motor vehicle authority (a) Definitions In this section— (1) Applicable agency The term applicable agency means, with respect to a State, the State motor vehicle authority responsible for motor vehicle driver's licenses under State law. (2) Applicable transaction The term applicable transaction means— (A) an application to an applicable agency for a motor vehicle driver's license