; (B) develop recommendations regarding how to make more robust and cost-effective the data portfolio of the Administration; (C) identify data infrastructure technologies and needs that are essential to the performance of modeling systems of the Administration; (D) assess the sharing needs and practices of the Administration for both internal and external sharing dissemination; and (E) develop recommendations for methods of data infrastructure sharing, including data purchased from the commercial sector. (2) Authorization of appropriations From amounts authorized to be appropriated to the Commercial Data Program under section 302, there are authorized to be appropriated to carry out the study under paragraph (1) $1,000,000, to remain available until expended. . 305. Clerical amendment The table of contents in section 1(b) of the Weather Research and Forecasting Innovation Act of 2017 is amended by striking the items relating to sections 302 and 303 and inserting the following new items: Sec. 302. Commercial Data Program. Sec. 303. Commercial Data Pilot Program. Sec. 304. Contracting authority and avoidance of duplication. Sec. 305. Data assimilation, management, and sharing practices. . IV Communicating Weather to the Public 401. Definitions In this title: (1) Hazardous weather or water events The term hazardous weather or water events has the meaning given such term in section 406 of the Weather Research and Forecasting Innovation Act of 2017 ( Public Law 115–25