; and (2) may cause adverse health effects in persons with celiac disease. (xx) The term online means on or by any system of data communication and transmission, such as the internet. (yy) The term online point of selection means any space in which consumers are allowed to purchase food online, including websites, e-commerce platforms, web applications, and mobile applications. . 18. Regulations; delayed applicability (a) Regulations (1) Proposed regulations Not later than 1 year after the date of enactment of this Act, the Secretary of Health and Human Services, acting through the Commissioner of Food and Drugs, shall issue proposed regulations to carry out sections 2, 3, 4, 5(a), 6, 7, 9, 10, 11, 13, 14, 16, and 17(b) and the amendments made by such sections. (2) Final regulations Not later than 2 years after the date of enactment of this Act, the Secretary of Health and Human Services, acting through the Commissioner of Food and Drugs, shall finalize the regulations proposed pursuant to paragraph (1). (3) Failure to issue final regulation If the Secretary of Health and Human Services does not issue a final regulation as required by paragraph (2) by the deadline specified in such paragraph, the corresponding proposed regulation shall become final on such deadline. (b) Delayed applicability The amendments made by sections 2, 3, 4, 5(a), 6, 7, 9, 10, 11, 13, 14, 16, and 17(b) apply beginning on the date that is 3 years after the date of enactment of this Act.