Statutes and/or Regulations :

Convention Committee Registration and Reporting: 11 C.F.R. § 107.1

Host Committee Registration and Reporting: 11 C.F.R. § 107.2

See Generally:

11 C.F.R. § 9008 - Federal Financing of Presidential Nominating Conventions

Commentary:

FEC BCRA Campaign Guide Supplement

New Campaign Finance Institute Analysis Charts Leap in Private Financing of Political Conventions, The Campaign Finance Institute

The Changing Character of Conventions, The George Washington University

FEC Approves Final Rules for National Conventions, Wiley Rein & Fielding

Political Gifts for Host City, The Washington Post