From the Brief Overview: "H.R. 1 proposes major amendments to federal law governing campaign finance and elections. The bill's provisions, unless otherwise noted, would affect federal elections, although states would be responsible for implementing some provisions. H.R. 1 also proposes amendments to federal ethics and lobbying statutes. The bill generally proposes additional disclosure requirements, regulation, or both in each policy area it addresses. It would authorize federal funding for some activities. This CRS [Congressional Research Service] In Focus highlights major provisions in the bill and lists selected CRS products that provide related information. It does not address legal or constitutional issues."
CRS In Focus, IF11097
Congressional Research Service: https://crsreports.congress.gov/