The Secretary delays, until July 1, 2020, the effective date of selected provisions of the final regulations entitled Program Integrity and Improvement published in the Federal Register on December 19, 2016 (the 2016 final regulations). The Secretary is delaying the effective date of selected provisions of the 2016 final regulations based on concerns recently raised by regulated parties and to ensure that there is adequate time to conduct negotiated rulemaking to reconsider selected provisions of 2016 final regulations and, as necessary, develop revised regulations. The provisions for which the effective date is being delayed are listed in the SUPPLEMENTARY INFORMATION section of this document.