1. Short title This Act may be cited as the 21st Century Worker Act . 2. Table of contents The table of contents for this Act is as follows: Sec. 1. Short title. Sec. 2. Table of contents. TITLE I—Classification of service provider payees Sec. 101. Definitions. Sec. 102. Classification. Sec. 103. Mandatory independent contractor classification. Sec. 104. Mandatory employee classification. Sec. 105. Elective classification service provider payees. Sec. 106. Change in classification; periodic classification review. TITLE II—Application to other laws Sec. 201. Fair Labor Standards Act of 1938. Sec. 202. National Labor Relations Act. Sec. 203. Tax classification. Sec. 204. GAO study on changes needed to other Federal laws. I Classification of service provider payees 101. Definitions In this title: (1) Bona fide sole proprietor The term bona fide sole proprietor means a service provider payee who— (A) has entered into a written contract governing the terms of the goods or services provided to a service recipient payor and the contract is not an employment by agreement; (B) is not required to provide the goods or services exclusively for the service recipient payor; and (C) has not had a substantial economic relationship or employment by agreement with the service recipient payor as described in section 104 during the previous calendar year. (2) Business entity The term business entity — (A) means a corporation, limited liability company, limited partnership, limited liability partnership, limited liability limited partnership, statutory business trust, or a similar entity formed under the laws of the United States, under the law of a State or United States territory (including the District of Columbia), or under the laws of a foreign country