; (B) in paragraph (2), by striking ; and and inserting a period; and (C) by striking paragraph (3); (2) by redesignating subsection (g) as subsection (h); (3) by inserting after subsection (f) the following: (g) Limitations and requirements (1) Notice to Congress of operational design, subjects, types of information, and questions In the 2020 decennial census of population and each decennial census thereafter, the Secretary may not— (A) with respect to the census or any survey conducted in connection with the census, implement any major operational design that has not been researched, studied, and tested for a period of not less than 3 years before the date on which the applicable census occurs; or (B) include on the questionnaire for the census any subject, type of information, or question that was not submitted to Congress in accordance with subsection (f). (2) Biannual reports (A) Submission to Congress Not later than 90 days after the date of enactment of this subsection and biannually thereafter, the Secretary shall submit to Congress a report that— (i) describes each component of the operational plan for the subsequent decennial census of population; and (ii) includes a detailed statement on the status of all research, testing, and operations that are part of the Bureau's comprehensive plan for the decennial census. (B) Internet publication On the date on which the Secretary submits a report under subparagraph (A), the Secretary shall publish the report on the public Internet website of the Bureau. (C) GAO analysis Before the date on which a decennial census occurs, the Comptroller General of the United States shall certify to Congress that the subjects, types of information, and questions to be included in the census have been adequately researched, studied, and tested to the same degree as in previous decennial censuses. ; and (4) in subsection (h), as so redesignated, by inserting Definition .— before As used in .