; (C) a determination of the factors, if any, that impact the ability of the Secretary to adhere to the timelines required for reviewing and making a decision on an application for a permit under the section 408 program; and (D) ways to expedite the review of applications for permits under the section 408 program, including the use of categorical permissions. (4) Report On completion of the review under paragraph (2), the Comptroller General shall submit to the Committee on Environment and Public Works of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report on the findings of the review and any recommendations that result from the review. (d) Corps of Engineers modernization study (1) In general Not later than 1 year after the date of enactment of this Act, the Comptroller General shall initiate an analysis of opportunities for the Corps of Engineers to modernize the civil works program through the use of technology, where appropriate, and the best available engineering practices. (2) Inclusions In conducting the analysis under paragraph (1), the Comptroller General of the United States shall include an assessment of the extent to which— (A) existing engineering practices and technologies could be better utilized by the Corps of Engineers— (i) to improve study, planning, and design efforts of the Corps of Engineers to further the benefits of water resources development projects of the Corps of Engineers; (ii) to reduce delays of water resources development projects, including through the improvement of environmental review and permitting processes; (iii) to provide cost savings over the lifecycle of a project, including through improved design processes or a reduction of operation and maintenance costs; and (iv) to improve data collection and data sharing capabilities