This paper is part of a broader project examining the rules of political disclosure and their consequences. A preliminary report on other data collected for this project is Schneider (2007). We thank Elena Gasol, Teymour Abdel Aziz, Doina Chebotari, Daniel Chen, Nicholas Coleman, Hania Dawood, William Gaybrick, Ivana Rossi, and Larisa Smirnova for help with the project.